Science

Experiments, discoveries and the strange ways bodies and minds work. 31 stories, a few minutes each.

  1. Why Carrots Are OrangeBefore the late 16th century, most carrots were purple, white, or yellow.
  2. The Wow! SignalOn August 15, 1977, a radio telescope in Ohio detected something that still has no definitive explanation. The signal lasted 72 seconds, arrived at…
  3. Why Honey Never SpoilsWhen archaeologists opened tombs in Egypt, they found jars of honey sealed thousands of years ago that were still perfectly edible.
  4. The Tunguska EventOn the morning of June 30, 1908, something exploded in the sky above a remote stretch of Siberian forest.
  5. TarrareIn the late 18th century, a French man with an insatiable appetite became one of history's strangest documented medical cases. Known only as…
  6. Why Golf Balls Have DimplesA smooth golf ball hit by a professional golfer would travel only about half as far as one with dimples. The textured surface seems…
  7. The Immortal JellyfishA jellyfish smaller than a pinky fingernail has figured out how to cheat death. Turritopsis dohrnii, found in temperate and tropical oceans…
  8. Why Barns Are Painted RedThe red barns scattered across the American countryside are not painted that color for aesthetic reasons. They are red because rust was cheap.
  9. Whale FallsWhen a whale dies in the open ocean, its carcass eventually sinks to the seafloor. In the deep sea, where food is scarce and life clings to…
  10. The Baader-Meinhof PhenomenonYou learn a new word, and suddenly you see it everywhere. You hear about a band, and within a week it seems like everyone is mentioning them. You…
  11. Ball LightningIn 1638, a "great ball of fire" reportedly came through the window of a church in Devon, England, injuring about sixty people.
  12. The Svalbard Global Seed VaultOn a remote island in the Norwegian Arctic, about 620 miles from the North Pole, there's a concrete entrance jutting out of a mountainside. Behind…
  13. Leap SecondsThe Earth is slowing down. It has been for billions of years.
  14. Why Wombat Poop Is Cube-ShapedOf all the animals on Earth, only the wombat produces cube-shaped feces. Each day, a bare-nosed wombat deposits roughly a hundred six-sided…
  15. Why Cats PurrThe assumption is that a purring cat is a happy cat. And that's often true—cats purr when they're content, when they're being petted, when they're…
  16. The Collyer BrothersIn March 1947, the New York City Police Department received an anonymous tip that someone had died inside a decaying brownstone at 2078 Fifth…
  17. The BloopIn the summer of 1997, hydrophones operated by the National Oceanic and Atmospheric Administration picked up an unusual sound in the South Pacific.
  18. The Man Who Ate an Entire AirplaneMichel Lotito was a French entertainer who spent his career eating things that were not food.
  19. The Corpse FlowerThe titan arum blooms so rarely and smells so terrible that botanic gardens issue public alerts when one is about to open. Visitors line up,…
  20. Why Bananas Are RadioactiveEvery banana you eat exposes you to a tiny amount of radiation. This isn't a concern—it's barely measurable—but it's real enough that nuclear…
  21. Why We Have FingerprintsThe most common explanation for why humans have fingerprints is grip—the ridges on our fingertips supposedly help us hold onto objects, the way…
  22. The Tanganyika Laughter EpidemicOn January 30, 1962, three girls at a boarding school in Kashasha, a village near the western shore of Lake Victoria in what was then Tanganyika,…
  23. Why the Sea Is SaltyRivers carry salt to the ocean. They've been doing it for billions of years.
  24. How Aspirin Was Discovered TwiceWillow bark has been used as a pain remedy for thousands of years.
  25. Why Flamingos Stand on One LegFlamingos spend hours standing on one leg, often while sleeping. The behavior is so consistent and so seemingly uncomfortable that it has attracted…
  26. Why Old Books Smell GoodThe smell of old books has a name: bibliosmia. It's a compound aroma produced by the chemical decomposition of paper, binding glue, and ink over…
  27. How Mauve Changed Fashion ForeverIn 1856, an eighteen-year-old chemistry student in London accidentally created the first synthetic dye while trying to synthesize quinine, a…
  28. Why Your Voice Sounds Different on RecordingsAlmost everyone dislikes the sound of their own voice on a recording. The experience is so universal that psychologists have given it a name: voice…
  29. The Boy Who Built a Nuclear ReactorIn 2008, a fourteen-year-old from Texarkana, Arkansas, named Taylor Wilson became the youngest person in history to achieve nuclear fusion. He…
  30. Why We Get GoosebumpsWhen you're cold or frightened, tiny muscles at the base of each hair follicle contract, pulling the hair upright and creating a small bump on the…
  31. Why Paper Cuts Hurt So MuchA paper cut barely breaks the skin. There's often no visible blood. Yet the pain is immediate, sharp, and disproportionate to the injury—a fact…