› added 8 years ago

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TIL that the retinas of Robins contains Cryptochrome, a protein which allows them to see magnetic fields. The magnetic fields are visualised as patterns of light and shade and perhaps colour, onto the visual imagery.

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mjKo TIL before the Egyptians designed the pyramids we recognize today, they built a few failed pyramids. One of these is known as “The Bent Pyramid”.
R7p8w TIL that wet plate photography cannot pick up certain tattoos. This ended up erasing a large part of Māori culture from history.
J1NDQ TIL Momma bears are so protective of their young they’ll actively seek out human occupied areas because they know male bears, who would want to kill their cubs to increase the chances they mate with them, will avoid human contact.
BrGwk TIL "Blowing smoke up someone's ass" refers to the medical practice of a tobacco enema
rRgJ4 TIL that Martin Van Buren is the only president who's first language wasn't English - it was Dutch.