› added 9 years ago

230

TIL ancient humans hunted Glyptodon, an extinct massive armadillo, in order to live within their shells

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MexZB TIL the alignment of planets in our solar system that allowed us to launch Voyager spacecraft out of our solar system at the speed it went only happens once every 176 years
l6ZK TIL individually packaged peanut butter slices were a thing.. and it failed.
N79ae TIL SOS doesn't actually stand for anything at all, it's just very distinctive and easy to write in Morse code
jNn7a TIL that the gravity on the ISS is almost the same as it is on Earth. Satellites orbit by constantly freefalling around the Earth, and freefall causes weightlessness.
WXeL TIL that a 6 century B.C. Indian Physician wrote a book describing modern surgical techniques of incisions, cauterization, prostate g, urethral stricture dilatation, hernia , caesarian , fistulae and many others