› added 9 months ago

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TIL that an object you were observing can disappear beyond the event horizon the point of no return around a black hole.

Read more nasa.gov

via reddit.com

XEaAr TIL some southern states offer bounties on beaver tails, with some areas paying $75 per tail.
epDm5 TIL that dogs have specific tastebuds fine-tuned to the taste of water, so they experience it differently than humans who often describe it as “tasteless”
L7op TIL of the Sentinelese tribe. They survived a tsunami in 04, lack the knowledge to make fire and are regarded as still in the stone age.
xVmyw TIL when the first gene was isolated at Harvard in 1969, "The only reason the news was released to the press was to emphasize its negative aspects," rather than the potential advantages we see today
8eJ6G TIL of Jan Janský, who independently discovered the blood groups I, II, III, and IV (corresponding to modern O, A, B, and AB)