› added 8 years ago

177

TIL that if humans could accelerate their arms at one tenth of the speed that a mantis shrimp does, we could throw a baseball into orbit.

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J1OLk TIL that privacy self-management (i.e., the principle that people individually manage their privacy via notice and consent) is based on multiple "fundamentally wrong" assumptions.
GAKm5 TIL: Japanese nobles, particularly children of the Imperial Family still receive their education at Gakushūin. It was founded in 1847 and meant to educate children of noble birth with limited spots to the public from preschool to university. Many current politicians and generals come from there.
9Y4dp TIL technical and commercial divers will breathe a mixture of oxygen, nitrogen, and helium known as trimix. Some of the nitrogen in air is replaced with helium to reduce the narcotic effect of breathing nitrogen under pressure, allowing them to dive deeper while maintaining a clear head.
69pd8 TIL: Some armadillos, like the nine-banded kind, mate in summer, but the egg delays implanting in the uterus. This pause—called embryonic diapause—lets development resume months later so babies are born in spring when survival odds are better.
KYQK6 TIL that on April 5, 1933, Roosevelt ordered all gold coins and gold certificates in denominations of more than $100 turned in for other money. It required all persons to deliver all gold coin, gold bullion and gold certificates owned by them to the Federal Reserve by May 1 for the set price of $20.