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TIL: Dominant female cotton-top tamarin monkeys use pheromones to stop subordinate females from breeding. The pheremones suppress sexual behavior and delay puberty. In the event that more than one female in a group becomes pregnant, only one of the pregnancies will survive.

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JYNKk TIL of the Pitcairn Islands, which were populated by British Navy Mutineers and their Tahitian wives, its population is currently 50 with most citizens stemming from 4 original families.
neyNr TIL that the Kremlin has a division of trained hawks that defend the building from crows. At first, keepers tried to use pre-recorded shrieks, but crows got used to them, so falcons-later hawks, were used. They are easier and cheaper to train. There’s also an eagle-owl that hunts at night.
v55D TIL: Sun Microsystems bought StarDivision, the company that owned StarOffice (the precursor to OpenOffice), for $59.5 million because it was cheaper than licensing Microsoft Office for their staff of 42,000.
rMae TIL In the 1970s, the Supreme Court ruled that credit card companies could “export” interest rates. Citibank moved its card operations to South Dakota, which got rid of its usury laws, creating unlimited rates for all Americans.
ZpMkQ TIL of Percy Ross, best known for his column, 'Thanks a Million' which ran in over 800 publications. He gave away his fortune, an estimated $20 to $30 million over a period of 17 years. Newspapers called him, “America’s Rich Uncle.” He died in 2001 at age 84, relatively unknown, just as he wished.