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TIL of Worker Policing. A brutal regulatory system in hives by which female workers will attach their queen and eat her sons if there are too many compared to their own sons, and sometimes will eat their own if the Queen's eggs are too few.

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mYLv TIL twice a year the sun perfectly lines up with the streets of New York, creating a phenomenon known as Manhattanhenge.
j4bE TIL that street dogs in Moscow have learnt to take the trains from the suburbs into the city for food during the day, then return to the safer, more comfortable suburbs to sleep at night
NOKJ TIL: Dogs can smell when humans have low glucose levels (Type I Diabetes) and actually serve as a service animal.
b9YbZ TIL the 'Cookie Monster' character from Sesame Street was originally created to advertise Munchos potato crisps in the 1960s, and was later adapted for Sesame Street munching on cookies instead.
lobEN TIL Paul Rudd is 51