Public Circle Members

Michael Knudsen

May contain traces of nuts...

Lucian Randolph

If the job is impossible, call me.

Tom Houslay

I mostly think about insect sex... mostly.

Miriam Goldstein

Marine biologist and science blogger

Alexis C. Madrigal

I write about technologies and other humanmade ...

Fuzz Aldrin

Scientia quod Pacis - Knowledge and Peace

Sean Carroll

Physicist at Caltech. Master of time and space.

Bente Lilja Bye

BLB makes Climate & Classical and other cool R&D ...

Raina R

Cliff Williamson

Nick Bradbeer

Naval architect

João Figueiredo

I talk about the things I love, because when ...

Glendon Mellow

Art in Awe of Science. Testing the hypothesis ...

Peter Lipson

Husband, daddy, doctor, sometimes writer

Dimitrios Diamantaras

Economic theorist, lover of song and opera, web ...

Darnell Clayton

...because in Cyberspace no one can hear you ...

David Parmet

Space, photography and ham radio geek.

Mark Changizi

Cognitive scientist at 2AI, and author of THE ...

Doug Burke

An astronomer who spends way too much time on the ...

pedro corporan

Robert Simpson

I work at Oxford University for the Zooniverse ...

Jessica Morrison

Joseph Lee

A scientist who happens to dabble in technology, ...

Michael Muracco

Freelance Web Designer and PHP Programmer and ...

Chris McLemore

What's crackalackin? I'm sans camera at the ...

Jon Hiller

Electron Microscopist, Materials Scientist, ...

John Kubie

Neuroscience, Education, 99%

Daniel Sims

I'm a college student who loves space, like space ...

Manuel Molowny

Not very active atm...but I'll be back

Beth Beck

Life is never about the destination. The journey ...

Ross Mounce

Don't call it the ball thing. Call it 'Pure Being'

Sarah Kavassalis

Hypersurface dweller.

Stefan Mititelu

Network and Security Director - with interest in ...

Laintal Sibornal

Tavi Greiner

Astronomy, Nature, Photography

Billy Harvey

Walter Lehn

Mad Engineer

Praveen Kulkarni

10% human 90% bacteria

Andreas Schepers

it's rocket science, baby!

Eric Martindale

Adventurer, Problem Solver, Engineer. ENTP.

Chris Mooney

Larry Sessions

Astronomy educator, sometime writer, dog person, ...

David Pearce

Brian Grefenstette

Matt Mastracci

⑆ Programming stuff ⑉ founder Codano ⑈

David Brin

Futurist, Science Fiction Author, Scientist. ...

Jon Wilkins

Jeanne Garbarino

Momintisticator

Elizabeth Sears

Lab Goddess

Denise Hills

NJ native, living in Alabama, Hawaiian girl at ...

E. Zaiser

Easily excited by science, human behavior, and ...

Sam Harris

Author, Neuroscientist, CEO of Project Reason

Dana Hunter

Trista Robichaud

Scientist. Biochemist. Jobseeker. Science ...

Chris Robinson

Assistant Professor, Psychology

Maitri Erwin

John Manuel

Physics, space, and now... information.

Frederick Clark

love bible theology, hand drawing, martial arts, ...

Joanne Manaster

Science awesomer

Shana McCormick

I never stopped imagining.

Joerg Heber

Adam Marshall

Magdalena Plewińska

silkenpaw

Eric Michael Johnson

Science writer, academic, primate

Johnathan Lyon

Donna Murdoch

DONNA MURDOCH

Dustin Wyatt

...nothing occurs contrary to nature except the ...

Lee Scott Price

Zaine Ridling

Linux captive

Jason Freidenfelds

Alexander Estrom

Singularity Utopia

Accelerating Explosive Intelligence

Robert Bevins

President of Kentuckians for Science Education. ...

Paul T.

Founder of CosmoBC.com

Trev Warth

I have techno JOY!!!! [Eddie Izzard reference]

Tim Young

Astronomer, Dungeon Master, and all round Geek.

Peter Dubowski

They see me trollin'

Alasdair Allan

Yet another hacker, pretending to be an ...

M F Schreiber

is like: Google τ = Google 2π

Chad Orzel

Maria Popova

Editor of Brain Pickings. Interestingness curator ...

Gail Barnes

Sustainability / innovation / technology ...

Brad Snowder

Hi. My name is Brad and I'm an astroholic. Carpe ...

Shiloh Madsen

If homeopathy is real, then dumping Osama bin ...

Justin Kiggins

brains / beer / bicycling / computational ...

Dave Mosher

Science and technology journalist, projects ...

kevin zelnio

Ray Sanders

Bringing space back down to Earth!

Michael Nestler

Google+ Engineer

Joe Hanson

Ph.D. student in biology, science communicator, ...

Rahim Hirani

A Cloud Worker specialising in Google Apps, ...

Jonas Neergaard-Nielsen

Turning mirrors, for a more efficient life

Marc Jansen

I am no one and everyone.

Jennifer Williams

Tiny, mysterious, and powerful: Geeky-Sexy ...

Ron Garan

I think we live on a pretty cool planet (and by ...

Paul T Morrison

✔ Tinkerer, familiar with tools, DNA sequencers, ...

Ferdinand Zebua

Still trying to figure out the Internet, and what ...

Jamie Vernon

The very essence of instinct is that it's ...

David Basanta

Cancers grow and change following Darwinian-style ...

Jürgen Hubert

Fraunhofer IWES

Andrew Palmer

Geeky Sprocket

✔ Verified Geek

Catherine Qualtrough

Astrophysicist, science communicator, Professor, ...

PZ Myers

Not an angel.

Mack Bowes

Camilla Corona SDO

I am Camilla Corona SDO with NASA's Solar ...

Jim Kakalios

just your friendly neighborhood physics professor

Leo Lincourt

Daniel Carruth

Associate Director, Human Factors and Assistant ...

Diogo Melo

Sci-Fi Writer, Ghostwriter, Translator, ...

Marie-Claire Shanahan

Science Education professor, blogger, music nerd ...

Miles O'Brien

Ron Schott

Geologist, GigaPan Photographer, Educator, Alpha ...

Jerry Nguyen

I like knowing things.

Kimberly Chapman

Official Sucromancer of the Realm

Torre Wenaus

Christopher Bowley

That guy

Frederic Emam-Zadé Gerardino

Futurist, problem solver and one of the first 18 ...

Amanda Bauer

astropixie

Jennifer Hayden

aka ubergooroo

Alan Boyle

Mark Ellul

Father, Thinker, Do-er

Debi Vaught-Thelin

Media mogul in training.

Joe Martinez

aka @Wrecktify -- Tech Lover, Photographer, Gamer

Andrea Kuszewski

Sometimes I believe in as many as six impossible ...

fan tai

Learning to empty my cup

Jan Moren

Janne. In Osaka.

Gord Wait

Musician, Technology, Electronics Engineering, ...

Andrew Zimmerman Jones

Freelance polymath-in-training

Robert Pearlman

collecting space (history, stories, adventures, ...

Ciro Villa

Testing this Universe.

Daniel MacArthur

Geneticist, personal genomics enthusiast, blogger

Amy Roth

I am an artist who makes Surly-Ramics. I write ...

Laura Wheeler

Enjoys science

Jens Riggelsen

Aranyaani A

you tell me!

John Baez

I'm trying to get mathematicians and physicists ...

Alberto Conti

JWST Innovation Scientist

C. Jimmy Lin

President & Founder of Rare Genomics Institute

Kiki Sanford

Dr. Kiki to everyone except Google+. I bring the ...

Jennifer Frazer

Freelance Science Writer and Blogger for ...

Nathan Bergey

Open Source Rocket Scientist

David Graff

No one at my highschool reunion was surprised to ...

Catherine Laplace-Builhe

Houston, Tranquillity Base here. The Eagle has ...

Anna Melnikoff

percussionist, healer, metaphysics nerd, changing ...

Nathaniel Mosher

I live to improve myself, help others, and change ...

Kristina Killgrove

Roman bioarchaeologist

Bug G. Membracid

Bugs. Ranting. Nerdery.

Ian O'Neill

Star stuff, eventual star chum.

Christie Wilcox

Jen Scheer

Unapologetic space geek

Granite Rawson

Environmental scientist, internet snarker

Alan Stern

Claire Q

Scientist, programmer, musician, gamer, humanist.

Scott Jordan

Engineer, business owner, techie, humanist.

Marc Boucher

Entrepreneur, technologist, analyst, writer and ...

Lisa Grossman

Knut Arild Maråk

Jose Arnaldo Araya Castrillo

Rahmel Jackson

Just a man.

Daniel Simons

Psychology professor - Author - Speaker. Likes ...

Paul Gilster

Writer/Editor Centauri Dreams ...

Nancy Atkinson

Just tryin' to keep track of the Universe...

Jerry Isdale

"Shut up and Make Something!" - Mike Rowe at ...

Allison Sekuler

+1s science (esp vision & neuroscience), science ...

Peter Smalley

Scientist, author, seeker.

Anand Patel

David A. Warnick

*"Flash Kindness"* Founder, I'm a Warrior & ...

Jayant Kaushik

Do what you love! Love what you do!

Sina Hamedian

The person who once lived.

Barry Kort

You see a slow moving red-headed scientist ...

Allyson Lister

Axel Kratel

Gardener, Physicist, HTML5/Web 3.0/Video Software ...

David Dobbs

I write on science and other forms of culture for ...

K.O. Myers

I'm currently studying for the Iowa bar exam and ...

Martin Geoffrey Lake

Adam Knapp

Mathematician

Ali Marie

Museum geek, paleontologist-in-training, and teen ...

Vivienne Gucwa

New York City photographer, writer and urban ...

Ryan Anderson

I shoot rocks with lasers and look for places to ...

Larian LeQuella

Just a guy on the web... ...

Rich Pollett

Terence Tao

Jeffrey Simpson

Hat connoisseur. Astronomer. Left-wing ...

Fraser Cain

Publisher of Universe Today, a site about space ...

Betsy McCall

mathematician, linguist, astronomer, writer, ...

Maryn McKenna

Has been immunized against bioweapons that don't ...

Craig Canapari

Marco Iacoboni

Neuroscientist; UCLA Professor; Author, Mirroring ...

Darya Pino Rose

Author of Foodist & creator of Summer Tomato | ...

Filippo Salustri

Everything matters, all the time.

michael interbartolo

Rocket Scientist by Day, GoogleTV Ambassador by ...

ricardo chiquini

Think Different  Follow me @chiiquiinii

Paul Scott Anderson

freelance space writer

Nicolas MARTIN

Randy Hilarski

Independent Social Media and Marketing Manager ...

Rich Thoma

"Rich Thoma" "Boundless Space" Producer: ...

Dean Roskell

Patrick Murphy

Art Markman

Cognitive Scientist, Author, and Blogger

finch wench

avian materials scientist and cosmo-quail ...

Jordan Ellenberg

Eric McGeehan

Rhythm is a dancer, and a very hard word to spell.

Mark Marley

Erin Kane

Primatology Graduate Student

Sheril Kirshenbaum

Author, Lecturer, Journalist

Glenna Buford

CS grad student, total nerd, proud MSU alumna.

Joran Bleeker

My life is pretty awesome!

Pamela Gay

Spreading astronomy one sidereal day at a time.

Edward Ellegood

Mike Stewart

Social theorist, Thinker, and Philosopher of ...

Shami Chatterjee

Astronomer, currently at Cornell University.

Mike Bergin

Educational Entrepreneur - Nature Publisher - Bon ...

Amanda Stiles

David Cearlock

It might look like I'm doing nothing, but at the ...

Shaun Dawson

Mo Costandi

Neuroscientist turned science writer

Jonathan Langdale

I have approximate answers and possible beliefs.

David Bradley

Freelance science journalist Sciencebase, ...

Jason Goldman

Scientist by day, science writer by night. I ...

Jyllian Kemsley

Ed Yong

Science writer, geek, husband

Jennifer Ouellette

Science writer, cocktail physics

Emily Finke

I'm a museum girl, educator, science geek and ...

Jason Major

Space Blogger

Nicole Gugliucci

Old Profile - Closing soon

Rob Gordon

I'm much cooler online than I am in real life.

Abby Noyce

Cognitive neuroscientist, knitter, and conrunner.

Chris Lintott

Astronomer, Zookeeper and Writer

Carolyn Collins Petersen

We are all in the gutter, but some of us are ...

Rachel Castle

From Vermont to the Middle East

Rhett Allain

I once gave up coffee. Sadly, I realized it was ...

Deborah Byrd

Editor-in-chief at EarthSky.org

Davis Ray Sickmon, Jr

Author, iPhone Developer, Not voted most ...

Emily Perkins-Harbin

Ahmed Altakrouri

still waiting for Godot

Chanda Prescod-Weinstein

physicist

Roy Watts

Not Entirely Here.

Mike Salway

Passionate about Astronomy, Photography and ...

Bora Zivkovic

Klaus Seiersen

Medical physicist, blogger and science ...

H. Michael McElroy

Mary Mangan

Aung Thiha

Biomedical Engineer, Researcher, Transhumanist

Cameron Neylon

Margaret Morgan

Plant geek and word wrangler.

Philip Plait (The Bad Astronomer)

I write about the Universe.

Jonathan Eisen

Emily Lakdawalla

Senior Editor and Planetary Evangelist for The ...

Mary Mactavish

I'm middle-aged and happy.

Nick Howes

@nickastronomer on Twitter - Equipment ...

Ned Potter

Martin Rundkvist

Archaeologist, journal editor, skeptic, blogger

Espen Helgesen

Anthropologist and teacher

Alun Salt

2 jobs. 50% Annals of Botany, 50% UNESCO AWHI.

Shara Yurkiewicz

http://blogs.plos.org/thismayhurtabit/

Bradley Voytek

Neuroscience PhD at UCSF & Uber. Bigdata, ...

Melissa Lott

Vasily Kokorev

climatology

Keith Cowing

Jordan Suchow

Amy Shira Teitel

Alexander Polushin

less words, more photos / just raison d'etre

Stuart Clark

Author and novelist, books include The Sky's Dark ...

Andre Nantel

Systems biologist, photoblogger, frequent ...

Daniel Lemire

Computer Scientist and Open Scholar

William Pomerantz

Explorer

Peter Lake

IT Service Management, Amateur Astronomer, Blogger

David Rosenthal

Jon Rosenberg

I'm Jon Rosenberg! I draw Scenes From A ...

Chris Granade

Hannah Waters

Leslie Smith

Artist, photographer, music nut, film lover, ...

Patrick Nygren

Student-scientist, generally optimistic even in ...

Mike Faria

Ethan Siegel

Science writer, professor and theoretical ...

Derya Unutmaz

Maggie Koerth-Baker

Science Editor at BoingBoing.net, columnist for ...

Andrew Revkin

Which comes first, Peak Everything or Peak Us? I ...

Marco Camacho

Rock & Techs (also fun)

Jaime George

I'm the type of person who often carries a pocket ...

Shara Jean

Awesomeist/ Humanitarian/ BioChem Nerd/ Activist/ ...

Jason Thibeault

Skeptic, gamer, computer geek, atheist, asshole, ...

Maria Brumm

Witty tagline ordinaire

Connor Kain

Extropian

Greg Laden

Science Blogger and Facebook Refugee

Fabius Leineweber

Jonathan McDowell

Astronomer and space historian

Michael Klaas

...I'd rather be hiking.

Mindy Weisberger

Science writer/producer. Multimedia enthusiast. ...

Rey Junco

Putting the series of tubes under a microscope.

Robert Hastings

Musician. Fascinated by Ancient Culture and the ...

Alex Garcia

“Truly great friends are hard to find, difficult ...

Sordatos Cáceres

Entonces me dí cuenta que todos eran maniquis!! ...

Ignacio Linaje

Marcus Engholm

Nataly Manjarrez

Scientist, booklover, wordsearcher, dreamer, ...

mary Zeman

My work is bioinformatics and my obsessions are ...

ham zed

David Webb

Psychology Tutor and Website Host

Sean Cowen

Public Speaker, Writer, Bookseller... Evangelist ...

Tom Mulcahy

Tyler Wilson

Barbara Drescher

Interests: Cognitive psychology, education, ...

Carl Zimmer

Writer

gabinortega cespedes

Jeanette Dunphy

Amateur Astronomer and Astro Imager.

Adrian Astro

Please follow +VirtualAstro

Anne Minard

Freelance science/enviro journalist, English ...

Tommy Leung

Parasitologist, Evolutionary Biologist, ...

Kevin Eisenmann

Jon Voisey

Science educator, writer, and cosplayer

Brian D. Steele

Husband to Skye-Cherie Steele. Minister to the ...

Cristian Lorenzutti

Science and Technology!

Nic Ciccolini

father, musician & techie

Pascal Wallisch

The life of the mind

Steve Nerlich

I am a podcaster and a NASA DSN volunteer - so ...

William Gunn

Science, Scholarly Communication, and Mendeley

James Hrynyshyn

A science communicator of sorts

Debbie Goddard

Paul Sutherland

Joerg Rings

Michael Robinson

Words and art

Zen Faulkes

A Canadian biologist in Texas.

W Younes

John Taylor

"It's not a desire; it's an obsession to share my ...

Amine Benaichouche

I don't play dice!

Bob Richards

Space Entrepreneur. Orphan of Apollo. Eternal ...