Why Puerto Rico Has Its Own Team

It’s a U.S. commonwealth!

Feb. 13 2016 6:50 PMWhat Happens in a SCOTUS Tie?How the court operates with a justice out sick.
Oct. 14 2014 11:13 AMKnowledge Gaps and NervousnessWhy is it so hard to prevent Ebola from spreading in hospitals?
April 28 2014 1:33 PMIs Anywhere Safe in a Tornado?Why researchers pummel storm shelters with 15-foot-long planks at 100 mph.
March 10 2014 6:12 PMTerrorists Have Not Claimed Responsibility for Malaysia Airlines Flight 370. Does That Mean It Wasn’t a Terrorist Attack?
Feb. 3 2014 3:17 PMWhat’s in “Bad Heroin”?The mysterious drug cocktail that may have killed Philip Seymour Hoffman.
Dec. 20 2013 1:49 PMCan Light Therapy Help You Make It Through the Darkest Days of Winter?
Dec. 18 2013 2:11 PMExplainer’s Unanswered Questions, Retirement EditionVote for your favorite from the final batch of readers’ bafflers.
Dec. 18 2013 11:05 AMWhy We Celebrate Christmas on Dec. 25Is it Jesus’ birthday, an ancient marketing ploy, or something else?
Dec. 16 2013 3:16 PMPaul Ryan Is the Early, Early Favorite in IowaWhat do polls years before an election really tell us?
Nov. 21 2013 6:41 PMA Filibuster FAQWhat the Reid Rule changes, what it doesn’t, and the rest of your filibuster-reform questions answered.
Nov. 20 2013 2:45 PMShould We Hold Thanksgiving Earlier?The economic impacts of this year’s shortened holiday season.
Nov. 19 2013 2:04 PMBatkid to the Rescue!How does Make-a-Wish choose which kids’ wishes to bring to life?
Nov. 8 2013 10:15 AMWhy Don’t Hurricanes Hit California?Supertyphoon Haiyan is just the latest cyclone to hit the Philippines.
Aug. 5 2013 3:39 PMWhat Happens in Racial Sensitivity Training?How counselors will try to talk the racism out of Riley Cooper.
July 18 2013 3:05 PMHow Accurate Are Juries?Your peers are far from infallible.
Dec. 3 2014 2:54 PMHow White Were Ancient Egyptians?Not as white as Christian Bale.
July 17 2014 4:10 PMHow Hard Is It to Shoot Down a Passenger Plane?How rebels in Ukraine got a missile launcher.
March 14 2014 1:24 PMMeasles Is Back, This Time in New York City. Should I Get Revaccinated?
Feb. 10 2014 2:34 PMSpin, Dance, Jump, Repeat!Why don't figure skaters get dizzy?
Jan. 26 2014 11:43 PMStay With Me!The Explainer Question of the Year: Does shouting at an injured person have any medical benefit?
Dec. 19 2013 4:31 PMDo Whales Kill People?Most collisions between boats and whales are accidental. But not all.
Dec. 18 2013 12:27 PMExplainer’s Unanswered Questions, Retirement EditionVote for your favorite from the final batch of readers’ bafflers.
Dec. 17 2013 4:00 PMWould James Madison Have Agreed With Edward Snowden?What the Fourth Amendment originally meant.
Dec. 12 2013 11:42 PMWho Staged the First Nativity Scene?Hint: The Year was 1223.
Nov. 21 2013 5:18 PMCrossing the LineCan Congress kick out Rep. Trey Radel for buying cocaine? 
Nov. 19 2013 3:46 PMWas Brittany Murphy Poisoned?An iffy new autopsy report shows she had heavy metals in her hair.
Nov. 18 2013 5:22 PMHow Long Can You Hold Your Breath?The physical effects of training for world records and freediving.
Aug. 9 2013 12:25 PMIs Sunlight Actually the Best Disinfectant?It depends on how much time you have.
July 19 2013 5:29 PMHow Often Do Art Thieves Destroy Their Loot?Basically Never.
July 17 2013 2:43 PMWhy Do We Drink Lemonade When It’s Hot Out?The role of acidity in quenching thirst.