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TIL Theory of sexual selection says giving gifts increases male’s chances of mating amongst heavy competition. Some species of spiders continue to hold the gift between their legs even after sex starts, refusing to give it up and running away with it as soon as the process is over.

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OoWL1 TIL The color purple is a non-spectral color. Meaning it is always a combination of two different wavelengths of electromagnetic radiation.
6E0Vw TIL the song from the movie 1917 ‘I Am A Poor Wayfaring Stranger’ was originally sung by Johnny Cash
ep7gk TIL that before haunted houses, 16th-century elites hosted “black or hell banquets.” Dating to ancient Rome, Emperor Domitian hosted a banquet where guests were assigned a seat with a personalized gravestone. The menu consisted of food usually offered as sacrifices for the departed.
OoV1g TIL that ship's paint used to contain a chemical that caused female sea snails to grow penises and burst.
8abeZ TIL about Minority Games. When people are given the same amount of information, and are supposed to compete for a natural resource, polarization naturally occurs over time.