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TIL the human brain has shrunk by about the size of a tennis ball in the last 20,000 years

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9W4m TIL that “if an apple is magnified to the size of the earth, then the atoms in the apple are approximately the size of the original apple.”
WgOX TIL that the Stasi(East German Secret Police) used a psychological technique called Zersetzung, which involved things like breaking into a targets house and rearranging things, calling in the middle of the night, and sending dildos.
pYmvp TIL Galen was the most influential ancient physician during the Middle Ages and his theory was that the blood carried the pneuma, or life spirit, which gave it its red color
x6jeb TiL that aluminium drink cans are on average, recycled ever 60 days. Good work guys.
d86kr TIL that the ceremonial gavel of the US Senate, in use since at least 1789, was broken in 1954 during a heated debate on nuclear energy by VP Richard Nixon