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TIL Endorphins (the "Feel good" chemical in human brains) work by blocking the nerve cells that receive the pain signals

Read more my.clevelandclinic.org

via reddit.com

jWoN TIL artist Binh Danh develops photographs directly on to leaves, using the natural combination of chlorophyll and sunlight. Also, TIL that’s possible.
9Yo7m TIL about mud cookies that made from dirt mixed with salt and vegetable shortening or fat. People eat them as a way to stave off starvation in one of the poorest country on Earth, Haiti.
PY5yL TIL that the oldest recorded signs of a lottery date from the Han Dynasty in ancient China, and were used to help finance major government projects like the Great Wall.
rRNGM Frozen in time, Franz Josef Land is one of the last lingering remnants of the truly wild Arctic. The remote and nearly uninhabited 192-island archipelago is renowned for its biodiversity, which includes polar bears, walruses, bowhead whales, belugas, and narwhals. The intensifying impact of climate change, however, nearly turned this serene environment deadly for National Geographic Explorer-in-Residence Enric Sala and his crew.
6EX4W TIL the first black FBI agents were recruited in 1919 to investigate Marcus Garvey's organization in order to find some grounds for deporting Garvey, who was a citizen of Jamaica, from the U.S.