Why do we drive on parkways and park on driveways? This question came from a reader submission (thanks Aunt Erin!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question đź““ The short answer Parkways were named for the parks they passed through, not for parking. Driveways were named for the driving people did on these private roads to reach a barn or a house, before many driveways became too short for driving. đź“š The long answer The English...
9 days ago • 5 min read
Why did the Tour de France start? This question came from a reader submission (thanks Mom!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question 📓 The short answer The Tour de France grew out of the Dreyfus affair, a scandal over the wrongful treason conviction of a Jewish French army officer. The scandal divided France so deeply that anti-Dreyfus advertisers left the pro-Dreyfus sports paper Le Vélo to start a rival, L’Auto. To boost...
16 days ago • 6 min read
Why does the mouth heal so fast? This question came from a reader submission (thanks Rodrigo!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question đź““ The short answer The mouth heals quickly because oral tissue is already primed for repair, has a calmer immune response that reduces scarring, and stays bathed in saliva full of wound-healing molecules. SPONSORED BY TINGGLY One Gift. A World of Experiences. Give experiences to your loved...
23 days ago • 6 min read
Why do we feel secondhand embarrassment? This question came from a reader submission (thanks Aastha!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question 📓 The short answer Secondhand embarrassment happens because our brains are built for empathy: we can imagine another person’s awkwardness so vividly that we feel some of it ourselves. 📚 The long answer Secondhand embarrassment, or vicarious embarrassment, is the feeling of being...
30 days ago • 4 min read
Why do dogs tilt their heads when you talk to them? This question came from a reader submission (thanks Kim!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question đź““ The short answer Dogs probably tilt their heads when we talk to them for a mix of reasons: to hear you better, to see you better, to signal that they're paying attention, and to receive praise. đź“š The long answer For at least 15,000 years, dogs have lived alongside humans....
about 1 month ago • 5 min read
How does a thermos work? This question came from a reader submission (thanks Duncan!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question đź““ The short answer A thermos keeps hot drinks hot and cold drinks cold by blocking all three types of heat transfer: conduction, convection, and radiation. It does this with a vacuum between its double walls (which eliminates conduction and convection) and a silvered inner surface (which reflects...
about 1 month ago • 5 min read
Why do we feel the urge to squish cute things? 📓 The short answer Cute aggression is thought to be your brain's way of balancing out an emotional overload so you stay functional enough to actually care for the thing you're fawning over. 📚 The long answer Have you ever spotted a baby with those adorable chubby cheeks and felt the urge to…squish them? Well, you’re not alone. Source This phenomenon, known as “cute aggression,” is the paradoxical pairing of intense adoration with aggressive...
about 2 months ago • 3 min read
Why do we feel colder as we age? This question came from a reader submission (thanks Gary!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question 📓 The short answer Aging causes your body to produce less heat, lose it more easily through thinner skin, and be slower to trigger warming responses, so we feel colder than we did when we were younger. 📚 The long answer Aging — if we're lucky — comes for us all. One day you're a reckless...
about 2 months ago • 6 min read
Why does a shuttlecock turn when you hit it? This question came from a reader submission (thanks anonymous!). Has a curious question stumped you lately? Feel free to submit your own question here: Submit your question đź““ The short answer A shuttlecock turns when you hit it because most of the mass sits near the compact cork, while the wide skirt catches most of the aerodynamic resistance. That offset creates a torque that flips it cork-forward within about 20 milliseconds of impact. đź“š The long...
2 months ago • 5 min read