Jordan Ellenberg

Jordan Ellenberg is a professor of mathematics at the University of Wisconsin and the author of How Not to Be Wrong. He blogs at Quomodocumque.

Do The Math
Sept. 17 2014 11:03 AMThe Beauty of Bounded GapsA huge discovery about prime numbers—and what it means for the future of math.
Do The Math
July 17 2014 10:22 AMMo Money Mo MilesUnited Airlines’ new frequent flier scheme creates a perverse incentive for business travelers.
How Not to Be Wrong
June 13 2014 4:41 PMThe Author of How Not to Be Wrong Explains How He Was Wrong
How Not to Be Wrong
June 9 2014 12:10 PMWhat’s Even Creepier Than Target Guessing That You’re Pregnant?
How Not to Be Wrong
June 5 2014 8:32 AMHow to Lie With Negative Numbers
How Not to Be Wrong
June 3 2014 2:26 PMStephen Colbert Thinks “Number Sentences” Are Silly. They’re Not.
Do The Math
Aug. 2 2013 12:27 PMThe Case of the Missing ZeroesAn astonishing act of statistical chutzpah in the Indiana schools’ grade-changing scandal.
June 5 2013 4:57 PMDoubt and the Double HelixIf police find a DNA “match,” that doesn’t mean they have the right suspect.
Five-ring Circus
July 31 2012 7:30 AMDown With the Perfect 10!A mathematician explains the genius of the new gymnastics scoring system.
Do The Math
Jan. 5 2011 6:32 AMThe Mathematics of NarcissismThe common statistical thread between psychiatric diagnosis and grad school rankings.
Do The Math
June 17 2009 10:46 AMGuilt by CalculationIt takes more than an Excel sheet to prove the Iranian election was fixed.
Oct. 31 2008 7:09 AMVote!Why your ballot isn't as meaningless as you think.
Do The Math
Aug. 13 2007 6:09 PMMean GirlsThe New York Times slips up on sexual math.
Do The Math
Sept. 19 2006 1:17 PMWill the Democrats Flip the House?Slate's mathematician on the odds of a Democratic victory.
Do The Math
July 24 2006 12:29 PMProportionate ResponseDoes one Israeli really equal 47 Americans?
Do The Math
Aug. 13 2014 5:12 PMMath Is Getting DynamicThe first woman to win math’s biggest prize works in a young and exciting field.
Do The Math
June 30 2014 6:22 PMMaking (a Huge Number of) Facebook Users (Very Slightly) SadderHow multiplying very tiny effects by gigantic numbers strains our quantitative intuition.
How Not to Be Wrong
June 11 2014 3:29 PMHow Can Rich People Vote Republican and Rich States Vote for Democrats?
How Not to Be Wrong
June 6 2014 11:55 AMDoes 0.999… = 1? And Are Divergent Series the Invention of the Devil?
How Not to Be Wrong
June 3 2014 10:13 PMWhy Are Handsome Men Such Jerks?
Sports Nut
Oct. 21 2013 3:20 PMWhy Kids Love BaseballYou may think it’s slow and boring, but my 8-year-old son knows it’s perfect.
June 7 2013 1:34 PMPRISM’s “Two Hops”NSA agents are trained to target friends of friends. How many friends of friends do you have?
Five-Ring Circus
Aug. 3 2012 12:59 PMLosing Is for Losers: How To Reformat Olympic Tournaments So Teams Won't Be Rewarded for Tanking
Do The Math
March 23 2012 9:00 AMSix Degrees of InnovationWhat Broadway musicals tell us about creativity.
July 2 2010 2:07 PMBrutally Hard Math Is Its Own RewardRussian mathematician Grigory Perelmanturned down $1 million for proving the Poincaré conjecture. What's that?
Medical Examiner
May 14 2009 12:20 PMInfluenza Body CountThe math behind estimating seasonal flu deaths.
Do The Math
Oct. 2 2008 1:20 PMWe're Down $700 Billion. Let's Go Double or Nothing!How the financial markets fell for a 400-year-old sucker bet.
Sports Nut
May 15 2007 12:37 PMDismal Rocket ScienceCrunch the numbers: Roger Clemens might be worth every penny.
Do The Math
Aug. 18 2006 11:59 AMWho Cares About Poincaré?Million-dollar math problem solved. So what?
Do The Math
July 7 2005 6:48 AMSex and SignificanceHow the Heritage Foundation cooked the books on virginity.




Blacks Don’t Have a Corporal Punishment Problem

Americans do. But when blacks exhibit the same behaviors as others, it becomes part of a greater black pathology. 

I Bought the Huge iPhone. I’m Already Thinking of Returning It.

Scotland Is Just the Beginning. Expect More Political Earthquakes in Europe.

Lifetime Didn’t Think the Steubenville Rape Case Was Dramatic Enough

So they added a little self-immolation.

Two Damn Good, Very Different Movies About Soldiers Returning From War

Medical Examiner

The Most Terrifying Thing About Ebola 

The disease threatens humanity by preying on humanity.

Students Aren’t Going to College Football Games as Much Anymore, and Schools Are Getting Worried

The Good Wife Is Cynical, Thrilling, and Grown-Up. It’s Also TV’s Best Drama.

  News & Politics
Sept. 19 2014 9:15 PM Chris Christie, Better Than Ever
Business Insider
Sept. 20 2014 6:30 AM The Man Making Bill Gates Richer
Sept. 20 2014 7:27 AM How Do Plants Grow Aboard the International Space Station?
  Double X
The XX Factor
Sept. 19 2014 4:58 PM Steubenville Gets the Lifetime Treatment (And a Cheerleader Erupts Into Flames)
  Slate Plus
Slate Picks
Sept. 19 2014 12:00 PM What Happened at Slate This Week? The Slatest editor tells us to read well-informed skepticism, media criticism, and more.
Brow Beat
Sept. 19 2014 4:48 PM You Should Be Listening to Sbtrkt
Future Tense
Sept. 19 2014 6:31 PM The One Big Problem With the Enormous New iPhone
  Health & Science
Bad Astronomy
Sept. 20 2014 7:00 AM The Shaggy Sun
Sports Nut
Sept. 18 2014 11:42 AM Grandmaster Clash One of the most amazing feats in chess history just happened, and no one noticed.