› added 4 years ago

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TIL Raccoons invaded Japan originally, because they're cute! They are not native.

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Y7ePd TIL about the cross education effect, a neurophysiological phenomenon where exercising one of your limbs will improve strength in the other.
Brm0y TIL I learned that the Roman Empire innovated a lot and we are still using variations of those innovations today, like concrete
4XG5N TIL That 16000 Hz Sine Waves are used by some grocery stores to deter teenagers after curfew. The reason these sounds work is because kids and teens hear them, but adults can’t. This is caused by the ears’ “age”. For people in their 30’s and older, they can’t hear these specific 16000 Hz sounds.
dD4LK TIL of Carrie Nation, a woman who fought against the widespread alcohol consumption in the US before the prohibition by attacking saloons with a hatchet
nkNb TIL the reason you wake up early when hungover is due to the loss of a neurotransmitter called GABA, which is responsible for ensuring you stay asleep