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The science of the spins

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7rwRp TIL Because mountain lions usually wander the wilderness alone, scent scraping sometimes isn’t enough to locate each other for mating. A female mountain lion will ascend to a high elevation and call to a male by caterwauling, a loud blood-curdling screeching cry that can be heard up to 5 miles away.
xVJ7g TIL Killer bees were created in an attempt to breed tamer and more manageable bees. This was done by crossing a European honey bee and an African bee, but instead the offspring became more aggressive and highly defensive bees that have escaped into the wild.
kJoOE TIL of the World War I naval battle on Africa's Lake Tanganyika between German warships and two 40 foot British motor boats. The motor boats were secretly dragged for 146 miles through the jungle by ox teams and tractors. The smaller and faster British boats easily sunk the warships.
wnkE TIL Singapore is the only country in the history of the modern world to gain independence against its own will.
VO9k TIL there is an amendment to the U.S. Constitution that has been pending ratification since 1810. It would strip the citizenship from any American who accepts a title of nobility from another country.