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TIL Dentists May Soon Use Lasers to Regrow Your Teeth

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xVDWo TIL Stephen Hawking saw a future in which the rich would use genetic engineering to make themselves smarter, more disease resistant and likely to live longer. “Once such superhumans appear, there will be significant political problems with unimproved humans, who won’t be able to compete", he wrote.
wLDWo TIL that Nikola Tesla loathed round objects, wouldn't touch hair, and was obsessed with the number three
alAL TIL that so many British men died in World War I that young women were warned that only 10% would marry. Newspapers discussed the country’s “Surplus Two Million” women.
rKEW TIL The death of the pope used to be confirmed by hitting him in the head with a silver hammer.
8aZd8 TIL Creators of Thalidomide were high ranking nazis and there is a possibility it was tested on prisoners in concentration camp inmates