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TIL the pockets in suits can actually be opened
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OLEe
TIL that during sleep cerebral spinal fluid flows through the brain on the OUTSIDE of the brain’s blood vessels and that the CSF removes brain cell waste including amyloid beta protein. This flow only occurs during sleep. Amyloid beta protein buildup is involved in alzheimer’s.
b9N
TIL that, as a way to detect nighttime predators, many species of animals (ducks, dolphins, whales, iguanas) will sleep with one eye open. One hemisphere of their brain is asleep while the other one is awake.
GAyl7
TIL that a steel bridge in India is being dangerously eroded by pedestrians spitting on it
VMgbk
TIL Small packets in beef jerky are not moisture absorbers but oxygen absorbers to prevent oxidation of fat
kBn5
TIL in Spongebob, episode 420 is Best Day Ever