› added 1 year ago

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TIL Stone Age people used to practice trepanning – an early medical procedure that involved drilling a hole in the skull. The patients didn’t all die. Lots of skulls have been found with partly healed holes.

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W4bY TIL that we actually have photographs showing entire star systems being warped in space-time by immense gravitational force. These Gravitational Lenses appear to us a circular bubble of stars and galaxies, and prove Einstein’s Theory of General Relativity.
6wvl TIL that the largest sea evacuation happened on 9/11. Almost 500, 000 people got evacuated by boat in less than 9 hours.
neGr TIL that Edward James Olmos was contacted about being the captain of the Enterprise for The Next Generation but turned it down, only to become the captain of another famous ship later on.
6EjvY TIL That cryonic preservation (freezing a corpse hoping that it can be revived in the future) is prohibited in France and British Columbia, Canada. In France, cryonics is not a legal mode of body disposal, and in BC, sale of arrangements for cryonic preservation has been prohibited since 2015.
RENa TIL on Christmas Day in 1900 the first international phone call was made. John W. Atkins called to Cuba testing to see if it would be possible for voice to be heard through the telegraph lines. After a long silence, Cuba answered with a simple “I don’t understand you.”