› added 5 years ago

93

TIL That some Amish communities willingly participate in studies of genetic diseases, as they have unique genetics due to the enclosed nature of their order. Their extensive family histories are useful to researchers investigating diseases such as Alzheimer's, Parkinson's, and macular degeneration.

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78VJP TIL that humans have evolved to act more selflessly when being watched. This will happens even when you are alone but can see a depiction of two eyes.
xY0 TIL that some jumping spiders possess object permanence, or the knowledge that something you can’t see is still there, which humans don’t develop until 8-12 months old
69Vb8 TIL that on top of the 3 matters of state that we’re all familiar with (solid, liquid, gas), there are at least 24 more, though most only exist under extreme conditions
ORXY TIL George Lucas got the word Jedi from Jidaigeki, which is a Japanese term for Samurai period Drama
rD91 TIL that the Solar System’s stability is temporary, and in a few billion years, we might collide with Mars.