› added 9 months ago

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TIL that Neanderthals lived in a high-stress environment with high trauma rates, and about 80% died before the age of 40.

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mxmWR TIL that television ads can use inaudible sound to link your phone, TV, tablet, and PC. Companies can track what commercials you see, how long you watch it, and whether you act on the ad by doing a web search or buying a product.
W7gwL TIL one of the medical technicians in The Exorcist's infamous cerebral angiography scene went on to become a convicted murderer
e0jK5 TIL lithium metal must be stored under argon as it can burn in a pure nitrogen atmosphere (no oxygen present) to form lithium nitride. Other reactive metals like sodium and potassium, however, do not react with nitrogen.
9YOG7 TIL that Patrick Gass, a member of the Lewis and Clark Expedition, had to be forcibly-removed from a U.S. Civil War recruiting station after he tried to enlist at age 91.
e0BJk And does an emerald hue always mean it's time to run inside?