› added 7 years ago

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TIL some sap-sucking sea slugs incorporate living chloroplasts from the algae they eat into their own bodies, allowing the slugs to temporarily live off of solar energy through photosynthesis. For this reason they are also known as “solar-powered sea slugs.”

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4kLoX TIL of the less well known and earlier War in Vietnam (1945-1946), which was a military success.
W7xgA TIL that the playing cards English-speaking countries use (Diamonds, Clubs, etc.) are French in origin. Other European countries use completely different symbols.
b9mOp TIL that the first recorded use of Forensic Entomology was by Chinese detective in 1200s AD. In a murder investigation in a village, detective Song Ci put every scythe in the village for inspection and found the culprit when flies- attracted to trace amounts of blood- kept landing on his scythe.
pvMG TIL that in 1906, the Bronx Zoo exhibited a 23 y/o pigmy African man named Ota Benga in their Monkey House, alongside an orangutan. He was later released, where he shot himself in the heart to end his loneliness.
QJ7XL TIL that all vertebrates have a blind spot where they are unable to perceive vision. This is the point where optic fibres pass front-to-back through the retina towards the brain. Thus, this spot has no photoreceptors.