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TIL that Isa Lake in Yellowstone National Park is the only lake in the world that drains to 2 separate oceans

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via reddit.com

kOL1B TIL Bodybuilders faint during exercise because they hold their breath while exerting to increase power, but this reduces blood to the heart, aka Valsalva maneuver.
GAQ7G TIL a reclusive British trader caused a flash crash in 2010 that wiped $1 trillion off the US stock market while trading from his parents house in London.
W7RBY TIL In 36 BCE, Roman statesman Marcus Varro wrote about germs, describing “minute creatures which cannot be seen by the eyes, which…enter the body through the mouth and nose and there cause serious diseases.” The germ theory of disease would not be accepted widely for another 1,900 years.
1aKwW TIL: According to a research done in United States, 1 out of every 100 genes of white Americans comes from a Black ancestor, and up to 90% of Black Americans have at least one white ancestor.
XEnyQ TIL: Raccoons are not native to Germany. They were brought there in the 1920s for their pelts. During World War II, an Allied bomb hit a raccoon farm wall, allowing a dozen or so to escape. Today, German cities are being overrun by millions of raccoons!