Science

Brian Cox

Currently working on a book and lecture course at the University of Manchester. About to start filming Wonders of Life for BBC / Discovery Science Channel
699,633 followers |

CERN

CERN, the European Organization for Nuclear Research, is the biggest particle physics laboratory in the world.
538,019 followers |

Neil deGrasse Tyson

Astrophysicist, American Museum of Natural History. Author: Space Chronicle, The Pluto Files,. Host: StarTalk Radio http://StarTalkRadio.net
490,464 followers |

Anil Dash

I love NYC, tech & funk. You can see all the things I'm up to at http://anildash.com/ or reach me at anil@dashes.com or 646 833-8659.
408,478 followers |

Scientific American

Scientific American Magazine and online, over 165 years of science news
366,990 followers |

Nature News&Comment

The latest science news and opinion from @NatureMagazine. Winner Best Twitter, Online Media Awards 2011, and Shorty Award for science, 2012.
360,263 followers |

science

Science and space news from Writers Write's Science, Space & Robots.
359,826 followers |

NYTimes Science

Science, Environment, Space and Cosmos News From NYTimes.com/Science
317,320 followers |

Guardian Science

News, comment, all that stuff from the Guardian's science, health and environment team
252,735 followers |

Phil Plait

Astronomer, author, skeptic, father, punster.
179,243 followers |

ChemistryWorld

Chemistry magazine bringing you the latest chemistry news and research every day. Published by the RSC.
145,523 followers |

Dr Karl

Dr Karl Kruszelnicki ~ an answer looking for a question. Dr Karl brings science to radio Thursdays on Triplej (1100-1200), and on BBC Radio 5 Live (0300-0400)
136,637 followers |

Stephen Hawking

Theoretical physicist and Lucasian Professor of Mathematics at the University of Cambridge. Likes: black holes, cats and watching TV.
127,053 followers |

Dr. Kiki Sanford

Science ninjas unite!
119,863 followers |

carlzimmer

Science writer: champion of underappreciated life forms. New book: Science Ink: Tattoos of the Science Obsessed http://bit.ly/scienceinkbook
104,428 followers |

PZ Myers

Godless liberal biologist
104,146 followers |

Richard Wiseman

Personal twitter account of psychologist, author and magician Richard Wiseman.
100,797 followers |

alexismadrigal

Senior editor, @TheAtlantic. Author of Powering the Dream. @WIRED alum. Married to @sarahrich.
94,292 followers |

Nature Chemistry

A journal dedicated to publishing high-quality papers describing significant research in all areas of chemistry.
55,650 followers |

Shawn Riley

HIT Blog http://www.healthtechnica.com Leader of Mayo Clinic Health System Information Management Office. My tweets are my own.
34,726 followers |

Simon Singh

34,023 followers |

jonahlehrer

jonahlehrer.com
33,530 followers |

Jeff Schweitzer

Dr. Jeff Schweitzer is a marine biologist, consultant and internationally recognized authority in ethics. He is the author of five books including Calorie Wars.
32,262 followers |

American Elements

Science Technology from American Elements- Nanotechnology, Robotics, AdvancedMaterials, AlternativeEnergy, Lasers, Military, GreenTechnology, LifeScience, Space
31,050 followers |

Wayne Marr

Professor of Business; Founder of SSRN with Michael Jensen, Harvard University & Eugene Fama, University of Chicago. Check out www.ssrn.com
24,621 followers |

Oliver Sacks

Author, Neurologist
24,287 followers |

Rebecca Skloot

Author of NYTimes Bestselling book THE IMMORTAL LIFE OF HENRIETTA LACKS (aka #HeLa), soon an Oprah/Alan Ball/HBO film. Writes for NYTMag, O Mag. Animal person.
23,602 followers |

Seed Magazine

Science is Culture
22,707 followers |

Space Fellowship

An international news and information network dedicated to the space industry.
22,172 followers |

SmartPlanet

Insight and ideas that impact your world. Cities. Design. Energy. Green. Innovation. Health. Science. Tech. Sustainability. Transportation. (From CBS.)
21,687 followers |

Dr. Mark Drapeau

Microsoft guy creating things for innovators everywhere. Edit @Publicyte, produce @Geek2Chic, co-founded @Hamstrong, advise @StartupDC, help @NFTE.
21,677 followers |

David Bradley

Science news, views, interviews and tech talk from Science Writer David Bradley based in Cambridge, England, UK. First solo book coming soon - Deceived Wisdom.
17,231 followers |

Argonne National Lab

As a @ENERGY lab, Argonne delivers science and tech solutions to energy, environment and security challenges. Tweeting for Argonne is web-editor @SoosheBot.
15,335 followers |

CMS Experiment CERN

Official from the CMS Experiment at CERN
14,850 followers |

Star Talk

Science, pop culture & comedy collide on StarTalk w/ astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, comic co-hosts, celebrities & scientists.
14,073 followers |

Bora Zivkovic

Blogs Editor at Scientific American. Visiting Scholar at NYU school of journalism. Organizer of ScienceOnline. My tweets are my own.
13,905 followers |

Bertalan Meskó, MD

Medical doctor, founder of Webicina.com, speaker, blogger, university lecturer, health 2.0 consultant, Wikipedia administrator doing PhD in genomics.
13,672 followers |

Joanne Manaster

Biology lecturer, video science book reviewer, co-host of @sciamblogs- PsiVid. #STS135 #NASAtweetup alum, former international model who LOVES science!
13,351 followers |

annabel bentley

doctor in london,likes beaches, patient-orientated evidence, informed decision making &health2.0 Blogs Onmedica.com, BMJ http://bit.ly/bwyoAx [personal tweets]
12,614 followers |

Andrew Maynard

Scientist with an unhealthy interest in the dark side - policy, communication, engagement, and all that! In “spare time” direct the U. Mich Risk Science Center
12,547 followers |

Sean Carroll

Scientist, writer, truth vigilante.
12,368 followers |

Republic of Math

Mathematics of the people, for the people, by the people: encouraging mathematical happiness
11,980 followers |

L.A. Times Science

Science and medical news from @latimes. See latimes.com/twitter for more news streams.
11,929 followers |

Pamela L. Gay

Communicating astronomy and life in academia 1 sidereal day at a time.
10,455 followers |

Lord Paul Drayson

Father of 5, Le Mans racing driver, Owner of Drayson Racing Technologies, Labour Peer in House of Lords, science entrepreneur
10,146 followers |

thunderf00t

The true beauty of a self-inquiring sentient universe is lost on those who elect to walk the intellectually vacuous path of comfortable paranoid fantasies.
10,126 followers |

drval

MD founder of Better Health, LLC: a network of 130 medical bloggers, partnered with the CDC, ACP, Harvard Health Pubs & more. Smart health commentary.
10,101 followers |

Jonathan Eisen

Biologist & blogger w/ #evolution #microbes & #genomes focus; #openaccess & @PLoSBiology advocate; @Harvard @Stanford alum; prankster; cyclist & Prof. @UCDavis
10,083 followers |

AJS

Chemist(Analytical/Research/Quality) fitness fanatic, healthy eating(Juice Plus-for my extra veggies/fruit), digital art enthusiast(image-digitalblasphemy.com)
9,486 followers |

American Chemistry

Official Twitter handle of the American Chemistry Council, representing the leading companies engaged in the business of chemistry.
8,937 followers |

ScienceBlogs

Where the world discusses science.
8,765 followers |

Anita Borg Institute

Providing resources and programs to help industry, academia, and government recruit, retain, and advance technical women
8,740 followers |

Diabetes Daily

We want YOU to live a healthier, happier life with diabetes while we work on getting a real cure!
8,669 followers |

Brian Krueger, PhD

Science news site and Blog Network masquerading as a social network for the sciences. Enjoy the news and our science rants.
8,498 followers |

Chemistry News

The latest Chemistry news from only the best sources. Want to tweet here?: newleaf(at)sent.com ### Healthy recipes: http://www.HealthyRecipesPro.com
7,833 followers |

Brain Technology

Tweeting the latest trends in neuroscience and brain tech. Follow the NeuroRevolution.
7,561 followers |

Dr. Ian O'Neill

Discovery News Space Producer. Recovering British solar physicist. Enjoys good beer, prefers tea. Toast & butter advocate. Hairy Atheist. 2012 doomsday debunker
7,486 followers |

Karen James

Biologist, outdoorswoman, aspiring explorer, space enthusiast, evolution booster, atheist, alpine pilgrim. The mind is a chaos of delight.—Charles Darwin
7,073 followers |

Faculty of 1000

Faculty of 1000 -- bringing you the very best in biology & medicine.
6,791 followers |

Deborah Berebichez

A physicist with a deep passion for communicating science to the masses. Secondary life as philosopher and actor. Made in Mexico.
6,585 followers |

Dr Rachael Dunlop

DrRachie from the Skeptic Zone. ALS and ageing researcher. Podcaster, blogger, science communicator. Winner of the 2010 Shorty Award for health.
6,360 followers |

John D. Cook

Applied mathematician and software developer. Interested in optimization, probability, analysis, music, books, etc. More twitter accounts: http://bit.ly/bNImPK
6,314 followers |

Michael Hayes

Futures/FOREX Trader, Trading Advisor, Science Educator, Blogger, Dorval Islander.
6,291 followers |

MicrobeWorld

Chris Condayan, Public Outreach Manager, American Society for Microbiology. My tweets and @replies are not official comments or statements from the ASM.
6,148 followers |

Nancy Shute

Science and medical writer, I blog and report for NPR, Scientific American, National Geographic. President, National Association of Science Writers.
6,029 followers |

Daniel MacArthur

I work in high-throughput human genomics, and blog about the genetic testing industry
5,802 followers |

BIS_Science

To build a dynamic, knowledge based economy BIS draws together the nation's strengths in colleges, research, science and universities.
5,753 followers |

Edzard Ernst

CAM researcher, co-author of 'Trick or Treatment: alternative medicine on trial'; apparently i called Prince Charles a snake-oil salesman
5,697 followers |

Henry, physics.org

Henry picks the best physics on the web
5,504 followers |

Wiley Chemistry

Publisher of Leading Chemistry Content in Organic, Inorganic, Analytical, Pharma, Medicinal, Toxicology, Industrial, Chemical Engineering, Green Chemistry.
5,459 followers |

Betsy Mason

Science editor for Wired.com, geologist, beer snob, calm assertive pack leader.
5,402 followers |

bruce hood

Cognitive scientist who studies kids looking for clues to adults. 2011 RI Christmas Lecturer. Disclaimer: All content & opinions are my own personal views
5,402 followers |

Lucy Rogers

Fellow Institution of Mechanical Engineers, Fellow Royal Astronomical Society, Author. Saving the world from space debris.
5,393 followers |

Deborah Blum

Book author (The Poisoner's Handbook). Blogger (Wired Science). Journalist. Professor (The University of Wisconsin). Chemistry Geek (Total).
5,213 followers |

Shawn A Cyran

Scientist, teacher, Photographer, small business owner, cancer survivor.
5,090 followers |

Steven Novella

The host of the Skeptics Guide to the Universe podcast, and science blogger extraordinaire.
4,991 followers |

I'm a Scientist Team

I'm a Scientist, Get me out of Here!, Wellcome-funded event that gets young people talking to scientists online. Tweets by Rosie, Katie, Emily & Shane.
4,883 followers |

Christie Wilcox

Freelance science writer, Scientific American blogger, and PhD student in Cell and Molecular Biology at the University of Hawaii
4,833 followers |

Daniel Fischer

All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)
4,821 followers |

chrislintott

Astronomer, zookeeper and journalist, based at University of Oxford.
4,784 followers |

Chris Gunter

Geneticist; editor; writer; nonprofit strategist. Director of Research Affairs, HudsonAlpha Institute for Biotechnology. Owner, Girlscientist Consulting.
4,709 followers |

Brendan Maher

Writer and Editor working for Nature (although views expressed here are my own).
4,694 followers |

JustNeem

An all Natural Body Care Co. Soaps, Lotions & more. All contain the medicinal properties of Neem Oil. Fair Trade w/ W. Africa. http://www.facebook.com/JustNeem
4,595 followers |

Dr. Harold Goldwhite

Professor at Educator.com that can guide you through the confusing world of Chemistry
4,440 followers |

Brian Switek

Distant cousin of T. rex, freelance science writer, author of 'Written in Stone' and 'My Beloved Brontosaurus' (due 2013 SciAm/FSG)
4,422 followers |

ケムステーション

Chem-Stationは化学のポータルサイトです。ここではサイトのスタッフが気になった話題をつぶやきます。またweb更新情報も発信します。化学好きの方フォローよろしくお願いいたします。 [化学][ケムステ][ニュース][分子][Chemistry][News][Molecule]
4,408 followers |

Astronomy Blog *☁⋆*

Looking upwards. Mostly from the UK. Views are mine (should go without saying). Government warning: may (or may not) contain jokes.
4,294 followers |

Daniel Levitin

Author of This Is Your Brain On Music & The World In Six Songs. Professor of Psychology and Neuroscience at McGill University.
4,225 followers |

Scientist Solutions

Discuss your research, get help with your experiments, blog about life science and find thousands of lab protocols all in one location. Join Now! It's FREE.
4,211 followers |

scicheer

Founder: http://www.scistarter.com - Amazon for citizen science. Founder: http://www.sciencecheerleader.com -NFL/NBA cheerleaders/scientists.
4,188 followers |

Sigma-Aldrich

Sigma-Aldrich is a Life Science and High Technology company. Our products are used in research, biotechnology, pharmaceutical development, and manufacturing.
4,185 followers |

chem_tweet

Chemistry is everywhere. Our world is a chemical system and so are we. Learn something new in chemistry to learn something new about the world and yourself.
4,149 followers |

NuGeneration Tech.

We supply the all manufacturing industries with specialty chemicals & polymers. Makers of SuperGreen® All Purpose Cleaner & Degreaser.
3,992 followers |

Bug Girl

Entomology. Nerdery. Gardening. Science.
3,958 followers |

NCSE

Defending the teaching of evolution and climate science.
3,908 followers |

Ken Grant

Trying to promote the use of Social Media in the First State
3,862 followers |

Stuart Clark

Astronomer, journalist, author and speaker. Author of The Sun Kings and The Sky's Dark Labyrinth trilogy, the history of astronomy – dramatised!
3,777 followers |

Comprendia

Biotechnology and Life Science Marketing, Social Media and Business Development, Est. 2008 (Mary Canady, Founder)
3,750 followers |

Jason Robertshaw

Science + ocean info and stuff. Professional marine science geek in Sarasota, FL. 
3,715 followers |

Alexandra Witze

Contributing editor, Science News. Author, with Jeff Kanipe, of upcoming book on the world-changing 1783 eruption of the Icelandic volcano Laki.
3,707 followers |

AndréiaAzevedoSoares

Journalist (PÚBLICO newspaper). Imperial College PhD student in science communication. Tweets on literature, media & science.
3,652 followers |

Angsuman Chakraborty

Entrepreneur & Software Architect, Social CRM Consultant. Products: Relaso Social CRM, Relaso Customer Support, Relaso Defect Tracking SaaS.
3,635 followers |

Cindy Jones

Biochemist/Herbalist Cosmetic Scientist formulator consultant, microbiology, Colorado Aromatics Skin Care, A&P instructor. Love herbs, food, gardens, fiber
3,590 followers |

Christine Ottery

Words, research and social media nous for hire. Especially on environment, health or development. Soul not for hire. Own opinions here
3,558 followers |

Brian Mossop

Community Editor for @wired. Science writer. Former neuroscientist.
3,543 followers |

Dave Munger

I'm a writer and editor who is cofounder of ScienceSeeker.org
3,526 followers |

ResearchGate

Research shouldn't be confined to the lab. By providing you with the right tools, we facilitate scientific and academic collaboration on a global scale.
3,503 followers |

beautyscientist

Scientist formulating cosmetics and topical pharmaceuticals.
3,479 followers |

Vincent Racaniello

virus guru, professor, TWiV.tv host
3,415 followers |

Tara C. Smith

Associate Professor, lab rat (microbiologist/infectious disease epidemiologist) and occasional blogger, full-time nerd
3,342 followers |

Michael Woods

News from the American Chemical Society, the world's largest scientific society
3,300 followers |

Erika Check Hayden

Biomedical reporter @NatureNews, blogger at http://www.lastwordonnothing.com/ and instructor at http://scicom.ucsc.edu/ Tweets are my own.
3,295 followers |

Dr. Isis

Dr. Isis is a physiologist and science blogger. She writes about being a woman in academia, science, and shoes.
3,221 followers |

materialsviews

Materials science news and jobs.
3,193 followers |

Walter van den Broek

a Dutch psychiatrist working in a University hospital
3,158 followers |

EMD Millipore Bio

Technologies & solutions to understand biological systems & identify targets! Visit Merck Millipore Bioscience outside of NA. https://twitter.com/Merck4Bio
3,130 followers |

Ananyo Bhattacharya

Science journalist. Chief online editor of @NatureNews. All opinions expressed are my own. Especially those that happen to be correct.
3,111 followers |

Greg Laden

Biological Anthropologist, Progressive Activist, Science Communicator, Supporter of OpenSource and OpenAccess
3,088 followers |

openchemistry

We make chemistry learning content free, open and available to the world
3,055 followers |

Dave Richeson

I'm a math professor at Dickinson College and the author of Euler's Gem (@eulersgem). I'm interested in mathematics, teaching, and technology.
3,054 followers |

ACS Green Chemistry

The ACS Green Chemistry Institute is a world leader in advocating the implementation of green chemistry and engineering into the global chemical enterprise.
3,024 followers |

Bob Finn

Medical and Science Journalist. Assignment Editor for Medscape Medical News
3,022 followers |

Michael Barton

History of science/Darwin/evolution/science education. Nature in Portland. #playoutdoors http://thedispersalofdarwin.wordpress.com/
3,012 followers |

ACS Chemical Biology

ACS Chemical Biology Editor and UW-Madison Prof Chem Biochem
3,002 followers |

Scitable

Scitable by Nature Education is a collaborative learning space for science students, faculty and life-long learners.
2,999 followers |

Christie Nicholson

Web Contributor, Scientific American; podcaster 60-Second Mind; Host/Writer Dirt On Green; Contrib Ed SmartPlanet, Speaker: Banff, SXSW, PopTech, Stony Brook.
2,961 followers |

Chem.Info

Chem.Info is a print and Web publication for processing professionals.
2,934 followers |

Peter Janiszewski

PhD | Writer | Scientist | Blogger | Digital Nomad | Musician | Exercise Addict | World Traveler. Blogs: Obesity Panacea/ PhD Nomads/ Science of Blogging
2,932 followers |

Carol Torgan, Ph.D.

Scientist, strategist, & communicator spanning from lab bench to park bench. Offline: runner, cyclist
2,931 followers |

Dorothy Beach

MS MBA PHR filling jobs |social media junkie|corporate researcher-sourcer-screener | blogger | Accenture contractor
2,909 followers |

Nika B

Scientist, permaculturist, goat herder, chicken mistress, mom, rationalist, homesteader, food photographer, foodie
2,904 followers |

CameronNeylon

Open Science, Open Access, and bringing more experimental techniques to the biosciences. I work for the UK STFC but tweets are my personal opinion.
2,890 followers |

sensafe

ITS (sensafe), is a leading American manufacturer of instruments (photometers) and chemistries (test strips and kits) designed to test water quality.
2,890 followers |

Chris Rowan

Geologist, nomadic postdoc, science blogger. I study plate motions, deforming continents and rock magnetism. I tweet as my inner geo-nerd wills.
2,860 followers |

Eric Michael Johnson

Science writer, academic, primate. Creator of The @PrimateDiaries at Scientific American.
2,811 followers |

MadSciKat

Same smartass half-kitteh-half-h00min hybrid @madlolscientist u know & love, but w/ fewer letters. #p2 #occupy #OWS =^..^=
2,749 followers |

carlosrizo

#Founder myhealthcareinnovation.com & #QuantifiedSelf #Toronto, #entrepreneur, #patient, #MD, Co-author Social Media & Quality eBook http://bit.ly/hcsmqi,
2,748 followers |

Alejandro Tortolini

Periodismo-Educación-eGov / Journalism-Education-eGov.
2,716 followers |

Richard Martyniak

Entomologist, Beekeeper, African Bee (Killer Bee) removal expert,Too Tall. Got questions about Bugs? I can answer them for you!
2,657 followers |

Stacey

work @NASA (*this is not official NASA Twitter*); Space Geek & Political Junkie (R). Also mom of 2 juggling work and play day by day
2,639 followers |

Scott Gavura

Advocate for science-based healthcare; pseudoscience critic; tweet on medicine/pharmacy/health; Contributor to sciencebasedmedicine.org. RTs are not...etc.
2,635 followers |

Doug Levy

Peabody Award winning ex-USA Today reporter now Writer/Blogger/Foodie & PIO at Columbia University Med. Ctr. in NYC. Sometimes tweets on other topics @NYDoug.
2,625 followers |

sdbn

San Diego Biotechnology Network (Mary Canady, founder, also @comprendia)
2,623 followers |

attilacsordas

bioinformatician at the European Bioinformatics Institute, personal proteomics instigator, Cloudera Cert. Hadoop Developer, ex mitochondrial-stem cell biologist
2,588 followers |

BioPortfolio

BioPortfolio is the leading careers, news and information resource for the life science and pharmaceutical industries.
2,578 followers |

themodernscientist

Biophysicist, Mac-Unix zealot
2,566 followers |

Carmen Drahl

Science reporter at Chemical & Engineering News. Chemistry PhD. Follow me for the latest in chemistry. Views my own.
2,553 followers |

James Logan

Scottish scientist @ London School of Hygiene & Tropical Medicine, science TV presenter, Ch4 Embarrassing Bodies & Live from the Clinic
2,547 followers |

PhysOrg Chemistry

PhysOrg.com: Chemistry News Stories
2,543 followers |

claireoconnell

PhD in cell biology, Masters science communication, freelance journalist, contributes to Irish Times (but my tweets are my own). claireoconnell.wordpress.com
2,530 followers |

Hilary Maybaum

Science writer and editor, non-practicing oceanographer, one-time Alvin diver, hiker, kayaker, crossword puzzler, candy eater
2,514 followers |

Anna

Wildlife biologist and doctoral candidate. Lover of jackalopes and mountain slopes; red wine and sunshine; wide open spaces and bustling places.
2,498 followers |

Miriam Goldstein

Marine biologist and science blogger at Deep Sea News (#DeepSN). More info at my professional page http://miriamgoldstein.info.
2,448 followers |

Abel Pharmboy

Natural products pharmacologist & professor, science writer, musician, Yankee in the South, Coloradan, Floridian. The original - accept no substitutes.
2,444 followers |

Alasdair Allan

Yet another hacker, pretending to be an astronomer, pretending to be a hacker who has written several books about iOS and Arduino for O'Reilly Media.
2,399 followers |

DNA Network

Tweeted by @hsienlei
2,386 followers |

Danica Radovanovic

Social Media Consultant | Internet researcher | Science & Tech Editor @AuScience | Author @GlobalVoices | Music, books, art & photography | Writer and Traveller
2,337 followers |

Sandra Goodrich

Infinitely curious, scientist, hs sci. teacher, Earth mother, nerdy intellectual, renaissance woman. Working on living life to its fullest. Opinions are my own.
2,324 followers |

BioConference

BioConference Live is the world's largest producer of online-only or virtual conferences focusing on the life sciences & clinical diagnostics community.
2,322 followers |

Kinetica (UK) Ltd

Kinetica is a proactive specialist recruitment consultancy focusing on sales, marketing and service positions in Scientific, Medical and Engineering industries.
2,302 followers |

Pittcon

Pittcon, the world’s largest annual conference and exposition for laboratory science. www.pittcon.org
2,288 followers |

WIREs Systems BioMed

Authoritative review and opinion in systems biology and medicine
2,280 followers |

Jack Scanlan

Evolutionary biologist-in-training at @unimelb, married to science, part of @youngausskeptic, musician, atheist, queer-ish multigeek. Not overly serious.
2,226 followers |

Clifton Wiens

Freelance writer, researcher, editor, and documentary development producer. Former long-time staffer at National Geographic.
2,206 followers |

HMS Beagle Project

The new Beagle will bring the adventure of science to life, retracing Darwin's historic voyage of discovery. Tweets by @kejames, @lisamoab and Peter McGrath.
2,169 followers |

Andrew Alden

About.com's Geology Expert at geology.about.com (Facebook aboutgeology), Oakland geo-blogger at oaklandgeology.wordpress.com, & now at www.kqed.org/quest/blog
2,161 followers |

Luis Enrique

BreakingNews about Nanotechnology,MEMS,Microfluidic. Mistery and curiosity around the world,Curiosidades-Cosas Interesantes. Exclusivas sobre PERU
2,159 followers |

Science Pond

Scientists on Twitter
2,157 followers |

Ariellah Rosenberg

In teachers' professional development. Life long learner. ORT SA. Google Certified Teacher.
2,146 followers |

Medical Nanotec

News,Reviews and up to date information regarding the uses of Nanotechnology in Medicine
2,079 followers |

Mary Spiro

#nanotechnology #Science #writer for @INBT_JHU #JohnsHopkins #Baltimore #blogger of #HeavyMetal Comments are my own. May include swearing.
2,048 followers |

Susan Niebur

Women make up half the bodies in the solar system -- why not half the scientists?
2,041 followers |

Zen Faulkes

Associate professor at The University of Texas-Pan American studying brains, behaviour, and evolution, mostly using crustaceans.
2,023 followers |

Foster Pepper PLLC

Commercial law firm whose lawyers serve companies & municipal clients. Sharing news important to them & our business partners. When it happens, we are there.
2,021 followers |

例外のほうが多い愛ちゃん (本名)

「愛なら仕方ない」某研究所勤務 ♂ Bioinformatics (Ph.D.) Q-bio/Genomics/Statistics. Nextgen-seq. R/Ruby/Rails. Bioconductor package committer add/rm/re/rt/listご自由に. CC BY
2,008 followers |

Jonathan Gitlin

Science Policy wonk, contributing writer for Ars Technica, amateur racing driver. Views are mine and mine alone.
1,976 followers |

kgrifant

science journalist, healthcare quality communications specialist, tech blogger. Interested in health/bio, robotics, astronomy, fiction & scifi
1,962 followers |

Mike Chelen

Biologist interested in neuroscience, data vis and analysis, digital collaboration, and open access.
1,961 followers |

Pace Analytical

Pace Analytical is a privately held, full-service sampling and analytical testing firm operating a network of laboratories and service centers nationwide
1,947 followers |

Walter Jessen

Principal/Developer at Walter Jessen Discovery New Media, computational biologist. #bigdata #biomarkers #health #lifescience #communications
1,942 followers |

Founder - Alan M

Follically-challenged Chemist, Neuroscientist and stand-up comedy fan. Founder of BenchFly.com - dedicated to training scientists in and out of the lab.
1,926 followers |

Young Scientists J.

An online science journal, written and edited by young scientists, aged 12-20.
1,914 followers |

BioData

BioData develops Labguru, a new research management tool which helps researchers plan experiments, track progress and get results. Do More Science.
1,907 followers |

Wildcat2030

Futurist,Writer,Polytopia, Philosophy,Science
1,902 followers |

Blaine T. Bettinger

Intellectual property attorney, author of The Genetic Genealogist, and personal genomics enthusiast
1,889 followers |

Grace Baynes

Nature Publishing Group evangelist. Sci comms, social media, publishing, PR. Also tweets @NPGNews and @bridgetoscience Wannabe polymath. Loves shoes
1,881 followers |

Brent Stockwell

Professor of biology/chemistry at Columbia University, and author of The Quest for the Cure: The Science and Stories Behind the Next Generation of Medicines
1,848 followers |

Pierre Lindenbaum

Postdoc in Bioinformatics at INSERM, Institut du Thorax , Nantes, France -- science drawing java geek database blogger c++ next-generation-sequencing
1,841 followers |

Lindau Nobel Meeting

Lindau Nobel Laureate Meetings: News, Views, People, Quotes and more. Next: Physics Meeting with 25 Nobel Laureates and 550 young scientists (1 - 6 July, 2012).
1,795 followers |

★ amanda bauer ★

cleverly disguised as a responsible adult (super science fellow, astronomer)
1,758 followers |

C. Onyeije, M.D. MFM

Information-Age Maternal-Fetal Medicine Specialist. Husband, Father, Android-Linux Nerd, Vegan. Triathlete in training.
1,744 followers |

biotechRSS

Biotechnology News RSS, brought to you by Comprendia
1,715 followers |

Sandra Porter

I teach people how to use bioinformatics to study biology. Interests: digital biology, education, learning, DIY science, music, genetics, microbiology
1,705 followers |

Molecular Modeling

Keep updated with what’s new in the modeling world, read executive summaries of the latest literature and stay in touch with peers.
1,700 followers |

Martin Fenner

Software for scientists.
1,697 followers |

Science Cyborg

I like science stories, current events, other planets, travel and comedy.
1,688 followers |

Rick MacPherson

Ocean Warrior, Conservation Director: Coral Reef Alliance, Scientist, Queer. I Speak For The Reefs. http://www.rickmacpherson.com http://www.coral.org
1,683 followers |

Ahmet Yükseltürk

Graduate student at Bilkent. Blogs about nanotechnology. TED.com Language Coordinator. History & philosophy of science, technology, operations research.
1,662 followers |

sumit paul-choudhury

editor, new scientist. editor-in-chief, arc. easily distracted neophile. personal tweets here; comprehensive sci/tech news @newscientist
1,662 followers |

Danielle Meitiv

Writer, marine science geek, gardener, mother. Recovering vegetarian. Barefoot whenever possible. Love books & living gluten-free! http://daniellemeitiv.com
1,655 followers |

David Whitehouse

Writer, scientist, speaker, journalist. Author: The Moon: A Biography, The Sun: A Biography, One Small Step, Galileo.
1,631 followers |

TWC Events

Keep up to date with the latest TWC events in your market.
1,623 followers |

Megan

Just another transient astronomer. Currently at ASTRON.
1,620 followers |

ACS National Meeting

The official Twitter profile of the 244th ACS National Meeting (Aug 19-23, 2012; Philadelphia, PA) Thematic Program: Materials for Health & Medicine
1,611 followers |

Robert Talbert

Mathematics professor at Grand Valley State University; dad, husband, Christian, musician, runner, tech enthusiast, happy nerd. My views != GVSU's views.
1,606 followers |

Aygul Zagidullina

SoLoMo early adopter. Tech savvy female with a digital DNA. GTDer. Passionate Google products user. Stuttgart GTUG. Ufa GTUG. TEDxStuttgart. Smoothie lover :D
1,582 followers |

promega

Come like our Facebook page: http://www.facebook.com/PromegaCorporation Check out our YouTube channel: http://www.youtube.com/user/PromegaVideo
1,575 followers |

Lee Buckler

Blogger, analyst, consultant, and entrepreneur in the cell therapy & cell-based regenerative medicine industry.
1,573 followers |

John Logsdon

Molecular Evolutionary Biologist. Assoc. Prof. Biology & Director Pentacrest Museums @ U Iowa (all opinions my own) I study sex
1,561 followers |

Sara Uttech

Spectacularly gifted at connecting the dots as communicator for Agronomy, Crops, Soil Science Societies. These musings are my own. Also tweet @ASA_CSSA_SSSA
1,524 followers |

Ron Winslow

Medical Writer and Editor, The Wall Street Journal
1,516 followers |

joepalca

NPR Science Correspondent...a journalist committed to telling it like it is when it comes to science. Check out @doctorannoying for book news.
1,515 followers |

Andy Morse

Academic - developing health sector and humanitarian agency tailored climate forecasts mostly at seasonal scales. Avoiding communication hoopla & wack-a-doodle
1,514 followers |

Joaquin salvachua

professor at DIT-UPM http://www.dit.upm.es/jsr
1,495 followers |

Daniel Mietchen

Biophysics: Evolution, MRI, open science, wikis. Wikimedian in Residence on Open Science. Open Access File of the Day. Reslicing the scientific literature.
1,478 followers |

Beatrice Lugger

media consulting, science journalist, web 2.0, social networks
1,474 followers |

Abhishek Tiwari

Polymath. Big Data & Web Scale Guy. Interested in Lizards, Elephants, Bioinformatics and 日本. Play with Scala, R, Python, Django, Hadoop.
1,470 followers |

Joanna Rooke

Science Communication enthusiast who currently works at the Thomas Young Research Centre. These thoughts are my own though - not the voice of the TYC.
1,454 followers |

New Chemistry Books

All new chemistry book releases posted on their publication day - chemist, chemical
1,453 followers |

Alex Connor

Policy wonk, ex-physicist. (All views expressed here are personal.)
1,452 followers |

Phillip Cook

Science geek heavily invested in ed tech, chemistry and the promotion of STEM in science curriculum. I love my family. Big RET fan (graphene @ ND)
1,447 followers |

Justine Hutchinson

Grad student researching stem cell pathways in breast cancer. Outreach fellow and teaching assistant moonlighting at the science museum. Too busy to tweet?
1,447 followers |

Peter Gregory

Editor-in-Chief of the science journal Advanced Materials, covering nanoscience, electronics & photonics, biomedical materials, soft matter, solar cells & more!
1,392 followers |

ACSChemNeurosci

ACS Chemical Neuroscience, dedicated to understanding the molecular basis of neurological function in all organisms and model systems
1,390 followers |

Madhusudan Katti

Reconciliation ecologist, evolutionary biologist, birdwatcher, teacher, cine buff, amateur nature photographer, & father of two girls. Also likes cricket!
1,385 followers |

Hana Kucera

PhD in Biology. Marine science educator, university lecturer, outdoors enthusiast. New hobby: mycology.
1,369 followers |

Claire Ainsworth

Science journalist, formerly at New Scientist, then Nature, now freelance. PhD in developmental biology
1,369 followers |

Mun-Keat Looi

Science writer, Japanophile, consumer
1,364 followers |

Anastasia Bodnar

Former maize geneticist, now a PMF at NIH working on science policy, legislative affairs, science communication. Obvious: I don't speak for NIH.
1,347 followers |

jonathan reed

Child neuropsychologist - games developer- director neurogames.co.uk -book editor: child neuropsychology - blog writer drjonathanreed.co.uk
1,346 followers |

Kristen Kulinowski

DC newbie, chemist, educator, policy wonk, working at the interfaces between science and society with an emphasis on nanotechnology.
1,320 followers |

Brian Shiro

Tsunami scientist, environmentalist, runner, and wanna-be astronaut yearns to explore remote terrestrial & extra-terrestrial locations. Tweets are my own.
1,303 followers |

Nevada Analytical

We are an analytical laboratory offering analytical services to individuals and industry professionals for the analysis of water and soil.
1,294 followers |

Anne Minard

Freelance science journalist in Flagstaff, AZ. Love living and writing in the southwest, where the stories rise up from the land.
1,290 followers |

Aaron Rowe

a biochemist and writer who has lots of ideas
1,272 followers |

Pat Owens

WU Chemistry
1,250 followers |

Nick O'Neill

Updates from the Fine Structure blog and other science/physics discussion from @nickoneill
1,239 followers |

TINC

Nanopaprika.eu - Spicy world of NanoScience
1,230 followers |

etonbio

Bioservice company that specializes in next day DNA sequencing, peptide synthesis, gene synthesis, and new products.
1,228 followers |

Alexey Bersenev

MD, PhD. Cell therapy evangelist and independent research analyst. Sci web geek. Addicted to darjeeling tea
1,213 followers |

Jen Beal

Sci, Tech, Med & Scholarly news from Wiley-Blackwell and my own general ramblings on science, PR & publishing. For embargoed news pls DM me. All views my own.
1,211 followers |

Anne Helmenstine

About.com's Guide to Chemistry, scientist, mom, writer, gardener, musician.
1,209 followers |

Kelly Weinersmith

PhD student, blogger, and podcaster (www.sciencesortof.com) who studies parasites, personality, hormones, and too many other things to name.
1,192 followers |

AltoMarketing

Creative communications for science and healthcare
1,188 followers |

Dave Riddell

Environmental scientist and educator | Musician and photographer
1,180 followers |

AscendBio

1,161 followers |

Egon Willighagen

Cheminformatician (or Bioinformatician, or chemometrician, depending on who asks) into Drug Discovery, Life Sciences, and science in general.
1,161 followers |

Mary Beckman

Science writer at Pacific Northwest National Lab
1,156 followers |

BoreholeGroup

The Borehole Research Group conducts scientific research by lowering tools into oceanic boreholes.
1,149 followers |

NZ ChiefSciAdvisor

Receive immediate updates on the activities of the New Zealand Prime Minister's Chief Science Advisor, Professor Sir Peter Gluckman
1,135 followers |

Alejandro Montenegro

Molecular Biologist. Research interests include transcriptional regulatory networks and genomics. I blog at The MolBio Hut.
1,129 followers |

Margaret Smith

mad scientist (sometimes just mildly cranky), medical researcher in bones & joints, Ambassador for Bone & Joint Decade 2020, Apple fanboy, hates shonky stats.
1,124 followers |

Louise Johnson

Evolutionary geneticist. Likes beer & silly rhymes. Knits. Bakes cakes. Sings. Can't fill 160 characters. Tweets are my own opinions and I might be joking.
1,116 followers |

Alun

Ancient Historian/Archaeologist currently at the Annals of Botany & UNESCO's Astro World Heritage Initiative. These views do not reflect any of my employers.
1,101 followers |

Jim Sliwa

1,090 followers |

Chris Upton

Viruses and bioinformatics. University of Victoria
1,089 followers |

MolSoft LLC

Drug discovery, Computational Chemistry, Biology, Bioinformatics
1,074 followers |

Sarah Webb

science writer: journalist, idea hound, wordsmith, blogger; An ex-chemist who makes pottery in her off-hours.
1,070 followers |

Fiona Barclay

@BirdGuides and @TouchPress person. Gadgets, nature and all things Apple.
1,067 followers |

Intl. Process Plants

International Process Plants and Equipment For Sale
1,059 followers |

Douglas Blane

Times Educational Supplement journalist. Writer, physicist, teacher.
1,052 followers |

YoungSciChallenge

The Discovery Education 3M Young Scientist Challenge is the premiere national middle school science competition.
1,031 followers |

Elif

I'm a daughter, a sister, a wife, a friend, a runner, a researcher, and a Believer!
1,030 followers |

SOCMA

The only US trade association representing the batch, custom and specialty chemical industry
1,029 followers |

Cath Ennis

Expat Brit, now Canadian; scientist / project manager / writer / editor / grant wrangler; beer snob; geek. Politics! Sport! Music! Skiing! Kayaking! TEA!
1,020 followers |

Hope Leman

Research Information Technologist
1,015 followers |

Winthrop Chemistry

Achieving national excellence in science
1,008 followers |

Proteintech Group

Better antibodies with whole proteins as nature intended. Tweets by KW.
1,004 followers |

SNNI

Greener Nanotechnology: Reducing principles to practice
1,001 followers |

Devonian Fishes

Updates on (mostly) Paleozoic paleontology and UQAR's evolutive biology lab; edited by D. Potvin-Leduc
977 followers |

DrZhivago

Medical Doctor, Geek, Introvert, Animal Lover, Building networks of ppl w/ common Interests.
968 followers |

Karin Fornazier

PhD student (particle physics, LHCb, charm physics), ballet addicted. Interested in astrobiology, history and philosophy of science
964 followers |

Will Boncher

Working on my PhD in Inorganic Chemistry. Find me here when procrastination calls...
961 followers |

Labguru

Labguru is a new research management tool which helps researchers plan experiments, track progress and get results. Free for personal use. Powered by @BioData.
958 followers |

mad scientist Tora

Research scientist, PhD; mother of 2; wife; newbie author; scifi,fantasy,romance reader; American; science:mitochondria, Drosophila; Hindu; Indian born
956 followers |

Jordan Craw

Science defines and inspires me, religion annoys me and humanity is humanity. Humanist, rational atheist.
939 followers |

Nils Reinton

Biotech, Diagnostics, Science news and opinion
936 followers |

Julia Petschinka

flamenco dance artist and teacher, street-art aficionado, social media consultant at datenwerk innovationsagentur gmbh or the other way round
935 followers |

IET Ltd

IET Ltd. Refurbished Analytical Lab Equipment Worldwide! Since 1979! (tweets by CB, Dir. of Marketing) #IET
928 followers |

Chris Patil

Researching cellular senescence, blogging about biogerontology at Ouroboros: Research in the Biology of Aging
922 followers |

Process.de

Portal für Chemie- und Pharmatechnik
913 followers |

Neil Gunther

Computer performance, capacity planning, mathematician, physicist, hireable-Gun, author, instructor: the nexus being information (and ♬) http://goo.gl/3tScr
911 followers |

Analytical Chemistry

Analytical Chemistry Insights: an open access journal by Libertas Academica
909 followers |

Andrew Jaffe

Astrophysics, cosmology and more
885 followers |

dick lipton

computer scientist who has blog rjlipton.wordpress.com
883 followers |

Sean M

dad: author: galactic hitchhiker: presenter of Science Chat podcast: science communicator: man utd supporter: rock guitarist
883 followers |

Arfon Smith

Director of Citizen Science at The Adler Planetarium & Zooniverse technical lead. Views expressed here are mine, not my mum's
879 followers |

BugJemm

Likes cats/music/VWs/genealogy/books/dragons/plants. Often broken due to fibromyalgia (colitis in remission). Freelance medical writer/editor. This is personal.
871 followers |

Matushiq Sotak

I love to be fascinated. Actually it is my job. I am a scientist. Fascinated by life, social behaviour, tech, human courage, human stupidity & good beer.
871 followers |

Liliana Demir

Ich kenne nicht den Weg, ich folge ihm nur ♥ @kabalak
856 followers |

Andy Lloyd

By day Andy is a mild-mannered science communicator. Prone to occasional bursts of political rantiness. Multi-faceted geek
856 followers |

Randy Olson

Scientist-turned-filmmaker Flock of Dodos Sizzle: A global warming comedy (movies) Don't Be Such a Scientist: Talking Substance in an Age of Style (book)
852 followers |

Pedro Beltrao

Postdoc at UCSF studying the evolution of interaction networks. (Bioinformatics, evolution, systems biology)
839 followers |

Merck Manual Apps

Merck Manual Home & Professional Edition apps for iPad / iPhone / iPod touch. The entire, trusted medical reference at your fingertips whenever you need it.
833 followers |

Paul Hickey

Advising the best chemical sales and senior management professionals on their next career move
832 followers |

Markus ★ Hammonds

Just some astrochemist with a head full of stars. A prolific procurer of presposterous propensities providing & pronouncing problematic predicaments.
830 followers |

Sandra A. Swanson

Freelance journalist. Covers science, technology, and shiny things. Enjoys loitering at intersection of science and pop culture.
827 followers |

David Culpepper

Golf Nut, LSU Tiger Fan, and CEO of SubscriptionAgent.com.
827 followers |

ScienceWriters in NY

A group for editors and writers who cover science and medicine as well as public relations professionals who promote science.
813 followers |

Byron N. Roberts

Postdoc at UC Davis doing computer modeling of the heart. Also do some science writing/blogging.
794 followers |

Joanna Pegum

The Society of Chemical Industry (SCI) is an international forum where science meets business on independent, impartial ground.
789 followers |

Katherine Haxton

chemist, blogger, lecturer; views expressed here are my own
788 followers |

Todd Harris

Bioinformation Architect. Geneticist. Biofuels and personal genomics enthusiast. Personal tweets @toddot.
784 followers |

Reagents/Instruments

for reagent/instrument suppliers. funding, business, jobs, meetings, people, distributor, marketing, social media, shows.
782 followers |

Medicinal Chemistry

Perspectives in Medicinal Chemistry: an open access journal by Libertas Academica
780 followers |

Unicoh Chemicals

Unicoh Specialty Chemicals provides innovative chemical products including surface treatment and cooling / industrial solvents. 화학제품은 지상 처리 및 냉각/산업 용매를 포함하여 혁신적
776 followers |

SpecialChem4Polymers

We accelerate Technology and Business Development in Polymer Additives & Fillers
776 followers |

Joan Manel

Chemist - Researcher. Specialist in Organic Chemistry and Quantum Chem. Amateur Photographer.
775 followers |

Life Technologies

Update June 2011: @everydaycloning is now tweeting for @LifeTechSupport - please follow me there! Invitrogen product news can be found by following @Invitrogen.
769 followers |

Spec Chem Focus

Speciality Chemicals Focus is an e-Newsletter dedicated to the fine and speciality products and services industry brought to you by DMG World Media
740 followers |

Fred

biophysicist; associate professor of physics. I study protein dynamics, adding physics to bioinformatics, and drug discovery.
739 followers |

Markus A. Dahlem

Feynman fixed a radio by thinking – I try the same with migraines.
716 followers |

Dan Rhoads

I work in biotech, but tweet about birds, as an American in Cyprus.
714 followers |

Dr Nic

I am a Senior Account Manager in the Healthcare Division of Marketing agency ~ Atkinson Associates
699 followers |

Sean Seaver

Love people, science, crystallography and marathon swimming
698 followers |

Bob O'Hara

697 followers |

Feminist Chemist

Ph.D. Chemist and Feminist.
695 followers |

Brenda Moon

Researching data visualisation, new media, science communication and social media. Web developer. PhD student at CPAS, ANU.
693 followers |

Amber Ying

Medicine and martinis. Science and sex. Fashionable and fabulous. Bisexual and brazen. Chirpy cheeky crazy carnal lady.
692 followers |

Labcompare

Labcompare is an online marketplace that serves the laboratory equipment market - please check us out!
690 followers |

Chris Brodie

Molecular biologist, editor, educator. Scientific liaison/R&D for UK-based medical device com. Formerly of Am Sci mag, NC State, Fulbright (Norway '08)
685 followers |

Charles Daney

Science writer specializing in writing about science's major open questions
677 followers |

raven hanna

scientist-turned-artist who makes molecule jewelry and other creative science communication projects
669 followers |

Elia Ben-Ari

freelance science writer/editor (after doing time in lab), bibliophile, yogi, x-country skier, shutterbug, cat & nature lover, tea drinker, friend, partner/wife
666 followers |

Glynn Skerratt

University-type; scientist; herder of elearners; lapsed chemist; nano-interests; GTD-er; GSOH. Tweets are personal. Gplus.to/glynn
665 followers |

Will Russell

Innovation manager with the Royal Society of Chemistry
660 followers |

katherine austin

Freelance medical writer. Cleantech analyst. Former scientist. Disease geek. Finally writing that novel. Crazy for art, design, music, books, critters.
644 followers |

Captain Skellett

My tweets & blog unite pirates and scientists at last. Join me for a glass of science to stave off the scurvy.
632 followers |

Cole-Parmer

Cole-Parmer is a global source of unique laboratory and industrial products— and a valuable resource for exceptional service and technical support.
632 followers |

BASFTurf_us

Stay connected to BASF Professional Turf & Ornamentals for turf maintenance insights. Visit www.basfturftalk.com and www.youtube.com/user/BASFTurfTalk.
630 followers |

George

An Oceanographer & Photographer who is on a quest to visit all 393 National Parks.
609 followers |

Sören Schewe

Schreibt als Wissenschaftsblogger über Agrar- und Zoo-Themen, Autonarr, Blogging about Science, car-addicted
592 followers |

Nick Anthis

scientist, blogger (The Scientific Activist)
583 followers |

LeighKrietschBoerner

Recent chem PhD (YAY!), freelance science writer, starry-eyed roustabout
577 followers |

Thomas Lemberger

Editor, Molecular Systems Biology (Nature Publishing Group - EMBO).
576 followers |

Hector H Hernandez

Cubano/Boriqua - Latino - Scientist - Foodie - Better Living Through Microbial Chemistry
570 followers |

Nancy Shepherd

Founder and CEO Shepherd Research. Business development expertise for life science firms. Scientist- genetics/genomics
566 followers |

Novus Biologicals

Providing antibodies, proteins, peptides, lysates, kits and more to the global bioscience community.
564 followers |

Damien Ryan

Dublin-born release engineer and part-time postgraduate psychology student living in Cambridge, working in London, hating trains, tubes, and commuters.
562 followers |

Prof. Jeff Karp

Co-Director of the Center for Regenerative Therapeutics, Brigham and Women's Hospital, Harvard-MIT-Prof, Inventor, Stem Cell Scientist, Family Man, Pet Friendly
546 followers |

skepticalguy

PhD, social psychologist, skeptic, atheist, who adores his wife and two kids. I dig evolution and I run a lot too!
545 followers |

DulcineadT

Biologist turned PhD epidemiologist (the dark side to my bench friends) studying cancer. Fascinated by biology DNA and gene-environmt interaction.
544 followers |

Adair Richards

Run a training company, BBC radio, Scientist, Historian, Live in Coventry, Magistrate, Science communicator, Christian. Note- tweets not necessarily interesting
531 followers |

David Wells

Biomedical Scientist working in Laboratory Medicine. My views, my tweets.
530 followers |

Roger Emch

Business Information Entrepreneur; sometimes triathlete; likes to swim; interested in chemistry, life sciences and Python.
518 followers |

HMRI

The Hunter Medical Research Institute (HMRI) aims to improve the health of humanity through life-saving health and medical research.
512 followers |

bob muckle

Anthropologist at Capilano U in Vancouver, interested in indigenous people of North Am, hominin evol. and all things archaeological
511 followers |

G. Dean Loberg

Husband, father, principal. More or less in that order.
511 followers |

Marvin

Maker of wooden spoons, strong-backed cohort of a wifely potter, gardener, aspiring macro photographer, back yard naturalist with a 40-acre backyard.
508 followers |

Moriel Schottlender

Physicist, experimenter, science communicator, social media enthusiast, science writer, web developer, and a general smartass
505 followers |

Michael Potts

Chemist, Product Development & Management. Not a lab rat. I find & create solutions customers want & will pay for, focusing teams & efforts on solving problems.
498 followers |

Paddy and Nick

Providing exciting science workshops complete with rockets and bangs. We tweet about science, education, sport and sometimes Neighbours
490 followers |

UCSB Research

CoGI is developing global solutions through collaboration, PhD education, and research
490 followers |

Metrohm USA

We’re lab favorites for titration, IC, electrochemistry and process analytics.
484 followers |

Rike MW

life-enjoying PhD student in Biophysics (ultrafast structural dynamics), mad about science and sailing...
480 followers |

Rob Hooft

Dutch, chemist, R&D manager, science and technology geek, with photography and computer programming as hobbies. DiSC 6741. Work as CTO at nbic.nl BioAssist.
473 followers |

DNA Art Online

Fine art gallery, featuring unique DNA Art portraits on canvas. See our mixed media, acrylic, and oil paintings on exhibit at http://dnaartonline.com.
472 followers |

Blithe Rocher

PhD scientist, tech geek, skeptic, master of spatial relationships, cyclist, not your average girl.
470 followers |

chrissie giles

science-writing, ale-drinking, tuba-tootling cat calendar enthusiast. 46th fastest woman in Guildford. views are my own etc. etc.
462 followers |

Mike Sullivan

Computational Chemist from Minnesota living in Singapore
454 followers |

AMRESCO, LLC

AMRESCO Marketing Team
450 followers |

Naboj Sitemaster

Naboj is a website that allows users to review scientific papers online in real time.
444 followers |

Dr. John D. Johnson

Champion of Science. Invoker of Logic. Promoter of Reason. Educator. Security Professional. Astronomer. Blogger. Skeptic.
440 followers |

LadyScientist

439 followers |

Luis Vidal

Neuroscientist, skeptic, atheist, secularist, humanist, amateur photographer (emphasis on amateur), and a few other things.
435 followers |

Degree Chemistry

Take the quiz that everyone is talking about! DegreeChemistry matches colleges and degree programs that best fit your personality.
434 followers |

Michael Nentwich

The author of Cyberscience (2003) and himself a typical cyberscientist becomes a scientwist. What's next?
417 followers |

Natl Chemistry Week

A community-based outreach program coordinated by the American Chemical Society to share positive messages about chemistry with the public.
413 followers |

An MIT postdoc

I run @acidflask's sciency tweets. Life at MIT. Life as a postdoc. Science focussing on computational/theoretical chemistry/physics.
410 followers |

Bethany Bray

Assistant Professor of Psychology at Virginia Tech, and all-around research methodology nerd.
407 followers |

ALT Lab Equipment

The Most Trusted Name in Used Lab Equipment. Check out our inventory at www.usedlabequipment.com and Call us at 860-691-2213!
404 followers |

Allyson Lister

ontologies, data Integration, and general bioinformatics stuff
403 followers |

Kelsey Abbott

biologist/writer/triathlete/foodie
398 followers |

Allison Bland

@GeorgetownCCT grad student working to make science and health info accessible online. I also tweet for @CancerDotNet; opinions are my own, not my employer's.
390 followers |

PARI

Pisgah Astronomical Research Institute
389 followers |

CEM Corporation

CEM is the leading global provider of innovative microwave laboratory instrumentation.
388 followers |

Brett Hoover

Entrepreneur, Tissue Engineer, Commercialization Guru, Sandler Sales Addict, Funding Finder, and Idealist to a Fault.
382 followers |

Jean-Claude Bradley

Associate Prof of Chemistry
381 followers |

Heather Etchevers

Expatriate U.S.-born scientist and renaissance woman
376 followers |

DrBaka

Evolutionary biologist, computational genomicist, skeptic, geek, and sexy beast.
370 followers |

crinklequirk

I write SF-F, Garden (NativePlant, Community, Rain), Costume, Love Fiber Crafts_Geodesics_Buckyballs_CChondrites_SkyHooks; Mom, NASAFellow
366 followers |

Marc-Michael Blum

(Bio)chemist who tries to save the world from the bad guys messing around with chemical and biological weapons.
364 followers |

David Basanta

Studying Darwinian evolution in cancer with mathematics and computers. Working with cancer biologists and doctors.
363 followers |

Andrew Zirm

Astronomer, Traveller, Buddhist, Film/Video Guy
363 followers |

Steven J. Koch

Asst. prof., experimental biophysics at U. New Mexico
354 followers |

AP Kybett

'Happily, I'm not an epiphenomenal knobhead'. @OpenUniversity Arts student. & some other stuff
354 followers |

jes

materials chemist, blogger, ninja?
347 followers |

Sarah Lawton

I am lucky enough to get paid by Kapler_PR to write about science: materials analysis, nanotech, spectroscopy, chromatography, rheology, pharma, biotech...
344 followers |

MSS

A forum where scientists and thinkers of the Maldives can exchange their ideas and collaborate.
341 followers |

Melanie Hardman

Mucking about in boats on the River Thames as well as doing Tech Transfer for Cancer Research UK
339 followers |

Anirban Mahapatra

Scientist, writer, and editor during various stages of career. Works for the American Chemical Society. Tweets are personal views. Retweets aren't endorsements.
336 followers |

Khanh P. Dang

everyday i'm shufflin...
327 followers |

Beth Wellman

K-20 learning: virtual worlds, earth science, physics, math, teachers, technology
326 followers |

SAGE Labs

SAGE Labs is unlocking the possibilities of In Vivo Gene Targeting. Knockout rats are a reality for your research.
322 followers |

bionity.com

Das Informationsportal bionity.com bietet seinen jährlich 970.000 Nutzern Informationen aus Life Science, Biotechnologie und Pharma - und das viersprachig.
310 followers |

Rattus norvegicus

Scientist, skeptic, Homo sapiens.
309 followers |

Teresa Jacques

PhD student in organic/medicinal chemistry, trying to learn as much as I can about all things neuropharmacology, trying not to lose my mind in the process.
306 followers |

Bruno Afonso

Enjoying life
305 followers |

Allen

Esoteric Pipesmoking Graduate Student Extraordinaire
303 followers |

Career Caffeine

Follow Career Caffeine to hear the latest info on the ACS Career Fairs, ACS Careers Blog and ACS Webinars.
302 followers |

Jon Gilbreath

302 followers |

Darren Wilkinson

Professor of Stochastic Modelling, Bayesian statistician and computational systems biologist at Newcastle University, UK
299 followers |

Rich Apodaca

Science, Software, and Startups
295 followers |

Christopher Bonnett

Astrophysicist living in Barcelona!
280 followers |

Dennis A

I work with soap and lotions and stuff.
276 followers |

ChemBob

Senior Scientist. Exploratory data analysis, chemistry, transport, fate, all environmental media. Skeptic and realist; believer in evidence-based reasoning.
268 followers |

Q. Helen Wu, Ph.D.

USPTO registered Patent Agent; Ph.D. and B.S. in Organic Chemistry; Specializing in Patent Search/Translation/Analysis
264 followers |

Sarah Pierce, PhD

Assistant Professor of Chemistry and Engineering Science at Cumberland University
256 followers |

Zachary Moore

Grassroots secular organizer and sometimes activist in DFW, molecular biologist, churchspotter, husband, father, and friend to many.
255 followers |

EASE

European Association of Science Editors
252 followers |

sciwo

Scientist. Mother. Human. In no particular order.
244 followers |

David Ozonoff

Professor of Environmental Health, chronic disease epidemiologist
241 followers |

Caio Jesus Maximino

239 followers |

DrZee

Assistant professor @ the University of Northern British Columbia
237 followers |

Academic Beards

The academic beard holds fast to the faces of many an academic.
236 followers |

ProteoChem Inc

ProteoChem manufactures protein crosslinkers, analytical standards, and novel proteomics reagents for protein detection and protein modification. (888) 501-2436
236 followers |

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