› added 12 years ago

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TIL that the long safety grooves in concrete were originally designed by NASA and have reduced highway accidents by 85%

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via reddit.com

XE4JE TIL of 'male menstruation' that was considered a normal part of growing up in twentieth century Egyptian culture but was actually due to an endemic parasitic bladder infection from schistosomes causing bloody urine.
p85k4 TIL the actor who played Chunk in Goonies is now a lawyer who represents Bong Joon-ho
kYld TIL There is an edible tree with 7x more vitamin C than Oranges, 4x more Calcium than milk, 3x more Potassium than bananas, 4x the Vitamin A of Carrots and 2x the Protein of yogurt. And it can also be used to effectively purify water (more info in comments)
mxyAO TIL A tabby is any domestic cat with a distinctive 'M' shaped marking on its forehead. "Tabby" is not a breed of cat but a coat type seen in almost all genetic lines of domestic cats. Tabby originally referred to "striped silk taffeta" from the French word tabis, meaning "a rich watered silk."
GXWj TIL that many quantum mechanical properties can be replicated on the macro scale using silicon droplets bouncing on a sheet of vibrating silicon. These droplets act like quantum mechanical particles and can even replicate Young’s double slit experiment on a human scale.