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TIL chipping a stone ax like early humans did 1.8 million years ago activates the same brain circuits used by modern human musicians

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1xPP TIL the influenza epidemic of 1918 was so bad that it caused average life expectancy in the US to drop 12 years
8ekRb TIL gummy worms were invented in 1981 by Trolli, the German candy company.
ka1W TIL Greek scientist Eratosthenes was nicknamed ‘beta’ because he was second-best in the world in almost every field
MlAb TIL that crabs line up from biggest to smallest and exchange shells when a single new shell washes ashore.
nWr7r TIL South Dakota, USA installs Fatal Accident Markers at sites of fatal automobile crashes. They are durable signs that say "THINK" or "WHY DIE?" and act as memorials for the deceased.