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TIL Adolf Hitler was a cartoonist for the army newspaper during World War I

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p8N1e TIL the quirks in the French numerical system ("four-twenty-ten-nine") are a legacy of the base 20 numerical system used by the Celtics. The hybridization with the base 10 system came with the Roman conquest of the Gaul.
8g6X TIL that scurvy was documented as a disease by Hippocrates, and Egyptians have recorded its symptoms as early as 1550 BC. The knowledge that consuming foods containing vitamin C is a cure for scurvy has been repeatedly rediscovered and forgotten into the early 20th century.
Z8MrY TIL of caffeine-induced anxiety disorder where caffeine usage surpassing 200 mg has been shown to increase the likelihood for anxiety and panic attacks.
4b9J TIL The Clever Hans effect is where a trained animal appears to be performing intellectual tasks, but is in actuality responding to involuntary cues in the body language of human trainers. The effect is named after a horse which was claimed to be able to perform arithmetic.
xxD0 TIL there is a unique career known as a ‘Professional Fan’ and only belongs to one person. His name is Cameron Hughes and he gets paid by sports teams to cheer at their games.