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TIL that the Secret Service purchased a 1907 White Motor Company steam car to follow President Theodore Roosevelt’s horse-drawn carriage. The president himself eschewed riding in the vehicle due to his “image as a rough-riding horseman”.

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ba90 TIL A wolverine once killed a polar bear in a zoo by latching onto its throat and suffocating it to death
1aZ58 TIL Stanford researchers in Costa Rica found adding a single tree to pasture land could boost biodiversity. For example, the number of bird species after one tree was planted went from near zero to 80.
ANJEo TIL about the Echuya Batwa, a people native to Uganda's Impenetrable Forest. In 1991, they were evicted from their lands to make way for a nature reserve to protect the gorillas that live there. Today, they suffer from a life expectancy of only 28 and nearly half of all children don't live to five.
KOPJJ TIL French astronomer and mathematician Urbain le Verrier used observational data from Uranus to deduce the position of an unknown planet, which German astronomer Johann Gottfried Galle used to find Neptune, within one hour of searching and within one degree of Verrier's prediction (1846).
JY9D8 TIL: Researchers at Yale University School of Medicine devised a system roughly analogous to a dialysis machine, called BrainEx, that restores circulation and oxygen flow to a dead brain. Using BrainEx, they restored restored cellular function in 32 pig brains that had been dead for over four hours.