› added 6 months ago

20

TIL it is possible to have temperatures below absolute zero, but they are actually hotter than any positive temperature

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b9jQ9 TIL Scientists reveal how 34.5 million-year-old fish fossils help build up rare earth mineral deposits used to make LED, wind turbines, and rechargeable batteries
xVPm0 Seven out of ten prescriptions written today are for items unknown to medicine before World War II.
d8k9Q TIL in 1746, a Swedish king tried to prove coffee was unhealthy by having one man drink large amounts of coffee and his identical twin drink the same amount of tea everyday for the rest of their lives. Both twins outlived the doctors in charge of the experiment and the king himself.
VModG TIL The Beatles' "Yesterday" is the most covered song in history (covered more than 2,200 times) Liberace, Frank Sinatra, Elvis Presley, and Boyz II Men have all put their own spin on the song.
JJK4 TIL early telephones had no ringers and no hang-up hooks. Callers would get the attention of those they were calling by yelling loudly (often, “ahoy!”) into the receiver until someone on the other end noticed.