› added 4 years ago

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TIL that Bangladesh, despite being the 8th most populous country in the world (ahead of Russia, Mexico, and Japan), is smaller than Oman, New Zealand, or Uruguay, and is by far the most densely populated country that isn't a city-state

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loxBV TIL pregnancy physically changes a woman's brain structure. Grey matter volume is decreased in certain areas, giving mothers a higher capacity for empathy to help better understand their baby.
OodrR TIL in 1947 John Calhoun began a 2-year study of rats in a massive pen. Although 5 females could've produced 5,000 progeny, the population never pass 200. The rats did not scatter but organized themselves into 12 colonies of a dozen rats each. He noted that 12 was the maximum that can live in peace.
xvg7 TIL that a pair of human feet consist of 52 bones and account for 25% of all bones in the body.
bAQE TIL Through a series of electrocutions to the spinal cord, four patients who were paralyzed from the neck or below, have been given full control of their limbs
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