› added 1 year ago

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TIL that strong evidence points to a black hole at the center of our own, and most other galaxies.

Read more eventhorizontelescope.org

via reddit.com

W7LrN TIL that the geologist Michel Siffre spent 2 months underground without time cues to study how his body clock adapted, repeated the experiment for even longer on himself and more subjects, and discovered that their bodies tended to switch to a 48-hour clock. In one case, one even slept 34 hours.
jNVdX TIL the title of the movie 'October Sky' is an anagram of 'Rocket Boys', the title of the 1998 book upon which the movie is based. Universal Studios marketing people had to change the title because, according to their research, women over thirty would never see a movie titled Rocket Boys.
BrlnD TIL Octopuses are immune to the stings of various types of jellyfish. They know this and will often rip off the stings of man-o-war (species closely related to jellyfish) and use them as whips to defend themselves from larger predators.
gMDEb TIL that Lincoln loved cats so much that he once fed them from the table during a formal White House dinner. When his wife told him that it was “shameful in front of their guests,” he replied “If the gold fork was good enough for former President James Buchanan, I think it is good enough for Tabby.”
KOb5E TIL President Coolidge and his wife had a pet raccoon named Rebecca who lived with them in the White House. Rebecca was supposed to be eaten for 1926 Thanksgiving dinner, but they adopted her instead.