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178

TIL Horseshoe crabs have saved more human lives than all other animals put together

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XExKP TIL that humans have approximately double the lifespan of our ape cousins because of a gene that we evolved to regulate the effects of our meat-rich diets.
mxrDo TIL Goats prefer happy people. They can differentiate between human facial expressions and prefer to interact with happy people.
WaEN TIL in 1880 Alex Graham Bell, inventor of the telephone, also invented the photophone, a device that transmits sound using visible light. Although he called it his greatest invention, it wasn’t until the 1980s, over a century later, that it precursed fibre optics, the backbone of the modern Internet
0aW1 TIL that monosodium glutamate (MSG) has no extraordinary negative effect on the human body, contrary to common perception
gMN6D TIL that despite leading the Confederate attack that started the American Civil War, P. G. T. Beauregard later became an advocate for black civil rights and suffrage.