› added 10 years ago

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TIL Cockroaches can make group decisions. When 50 cockroaches are presented with 3 shelters that can only house 40, they’ll split evenly into two groups and leave one shelter empty.

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NlxP TIL that since 1989, six-pack rings have been manufactured to be 100 percent photo-degradable, so the plastic will begin to disintegrate in just a few days, allowing animals to easily free themselves from the brittle and crumbling rings.
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JYK44 TIL about the theory of "the wisdom of crowds", where the median will be close, but the mean answer of a crowd of people will be closer to the correct answer.