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TIL Hitler was never president of Germany. He was appointed chancellor by the president (Paul von Hindenburg), and became the Fuhrer upon Hindenburg's death.

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neWo9 National Geographic explorer and grantee Gregg Treinish wants everyone to know about the hidden toxic cost of synthetic fabrics. Tiny, invisible microplastics are entering our waterways straight from our washing machines. About 2,000 synthetic particles are released from washing a single polyester fleece jacket. All clothing items—including cotton and wool—shed micro-fibers when washed, but the natural fibers biodegrade. Synthetic particles don't degrade and can absorb toxins while traveling through the waterways. If they're eaten by small organisms, such as fish, they can bioaccumulate and end up on our dinner plates. Read more about how you can minimize microplastics' impact on the environmentMore from Gregg TreinishClick here to read more about microplastics in the ocean
obgY TIL of Henry Cavendish, a reclusive British scientist whose contributions to the physical sciences, including experiments with gases, electricity and heat were vast. He often fled from social contact or simply communicated through notes. Due to his shyness he rarely informed others of his results
78yob TIL that three different types of insects have managed to domesticate fungi
W7Nao TIL the BBC Micro has a resistor to simulate a human holding their finger on the circuit board. The computer doesn't work without it, and we still don't know why today.
BgMbb TIL that Hawaii was a sovereign self-governing kingdom all the way up until 1893, totally unassociated with the U.S., until a coup d'état that year by 13 businessmen and 162 U.S. troops, with the openly stated goal of annexing the islands. (They succeeded.)