The Shape of My Heart

Where did the ubiquitous Valentine’s symbol come from?

Sept. 11 2017 5:25 PMWhat Is Alternate Nostril Breathing?The breathing technique that helped Hillary Clinton cope with her election loss.
Jan. 13 2017 3:44 PMMake America Late AgainWhy press conferences never start on time.
Nov. 8 2016 2:45 PMHow Did They Count All Those Ballots Before Voting Machines?By hand, while drunk.
Nov. 8 2016 2:21 PMHow Do You Shatter a Glass Ceiling?With a steel spike or diamond drill.
Nov. 8 2016 12:48 PMWhen Did Losing Candidates Start Calling the Winner to Concede?When the telegram went out of style.
Aug. 13 2016 6:54 PMWhy Puerto Rico Has Its Own TeamIt’s a U.S. commonwealth!
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.
July 17 2017 5:33 PMTrigger WarningHas a literal smoking gun ever been the “smoking gun” in a criminal case?
Nov. 8 2016 4:38 PMCan You Be Ruled Mentally Unfit to Vote?In most places in the U.S., yes.
Nov. 8 2016 2:26 PMHow Do You Vote in Prison and Jail?For the most part, you don’t.
Nov. 8 2016 1:30 PMCould You Determine the Outcome of the Election Like in the 2008 Kevin Costner Film Swing Vote?It’s everyone’s fantasy. But could it become your reality?
Oct. 25 2016 1:25 PMHow to Drain a SwampFirst, dig a trench.
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.