› added 4 years ago

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TIL The crucial reason why manholes are round is because a round lid cannot fall into a round opening whereas a square lid can fall into a square opening diagonally

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wL9O1 TIL that the iconic "eagle scream" we all know is actually the redtailed hawk's cry
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Z85Xa TIL the Banana Stand on Arrested Development was based on a real business run by the creator of the show Mitch Hurwitz
KYwpB TIL whiskers can spontaneously grow from tin and several other metals, sometimes causing catastrophic damage within electrical circuits. NASA has a team dedicated to investigating this risk, but the fundamental cause of “whiskering” has still not been discovered.
b9L0Q TIL that pooping is really the only reason for a sloth to ever leave its tree, and it's the only time they have to stand upright. They only poop once a week, and can lose up to one-third of their body weight by pooping.