› added 5 years ago

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TIL Researchers have discovered what appear to be the remnants of red blood cells and collagen structures in 75 million-year-old dinosaur fossils.

Read more bbc.com

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k805 TIL Sonic Hedgehog is a protein critical to mammalian development. Its inhibitor? Robotnikinin.
wL4LP TIL "Puce" is French for "flea" and represents the dark reddish stain left when a blood-gorged flea is crushed against linen. It was a favorite color of Marie Antoinette.
8a1RK TIL that NASA's Apollo astronauts had to pee into a sort of condom, but some would choose the large size, instead of the small or medium, out of pride, so they had to rename the sizes to extra-large, immense, and unbelievable.
6EBJX TIL that Tammi Terrell, famous for songs such as Ain't no mountain high enough" and "Ain't nothing like the real thing", died at the age of 24 from a brain tumour.
GY6aJ TIL the FDA allows 11 rodent hairs per 25g paprika, 60 parasitic cysts per 100 fish, 2500 aphids per 10g of hops, and 1 maggot per 250ml orange juice