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TIL of the PrOP-M. A twin set of rovers sent to Mars 26 years before Pathfinder.

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RZG6 TIL Baboons kidnap and raise feral dogs as pets. The dogs protect the baboons from other feral dogs and the baboons care for the dogs including grooming them, an act only done for those considered as family.
rYj1 TIL It is impossible to pass gas silently if you remove the hair around your anus.
WkvPd TIL that Girls have more DNA than boys. This is due to the X Chromosome having more base pairs than the Y Chromosome.
v1yGD TIL in 1998 Bill O'Reilly wrote a novel about a tall, bitter, sexually predatory newsman who gets forced out of his job and starts murdering former colleagues who helped to ruin his career.
awGEN TIL that the seventh most populous city in the world, Mumbai, also has one of the highest densities of leopards (41 leopards) in a forest inside the city and the leopard population saves Mumbai US$18,000 by keeping the stray dogs population in check.