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People with red-green color blindness can see green camou... | funfact.wiki | funfact.wiki
People with red-green color blindness can see green camouflage in finer detail. Less distracted by color, they rely on brightness and texture, making concealment easier to spot. Wartime accounts say Allied forces used colorblind soldiers as photo interpreters.
  • Color blindness
  • Color
  • Camouflage
  • World War II
  • Military
  • Vision
  • Evolution
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Sheep and goats diverged only about 4 million years ago—more recently than humans and chimpanzees split apart.
  • Sheep
  • Goat
  • Evolution
  • Animal
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The term 'spam mail' comes from Monty Python's comedy sketch 'Spam.' During World War II, the US supplied massive amounts of SPAM cans to Britain, and the Brits' frustration inspired the sketch. The name later stuck to annoying promotional emails.
  • Monty Python
  • World War II
  • USA
  • Britain
  • Internet
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Yamaguchi Tsutomu survived both Atomic bombs dropped on Hiroshima and Nagasaki. After the first blast, he returned to Nagasaki and went to work. His boss scolded him — "a single bomb can't destroy a city" — and at that exact moment, the second atomic bomb detonated.
  • Hiroshima
  • Nagasaki
  • Atomic bomb
  • World War II
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A camel's hump stores fat, not water — and evolved for the Arctic, not the desert. 3.5 million years ago, ancestors in Arctic Canada grew fat-storing humps to survive winters. When they migrated south, the hump proved equally useful in the desert.
  • Camel
  • Fat
  • Desert
  • Arctic
  • Canada
  • Evolution
  • Animal
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In 1980s Australia, male beetles were found mating with beer bottles. The brown color, size, and bumps on the bottles mimicked female beetles, acting as a "supernormal stimulus." When this threatened the species, Australian breweries redesigned their bottles, removing the bumps.
  • Australia
  • Beetle
  • Beer
  • Evolution
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