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TIL Siblings separated at birth end up just as similar as siblings reared together (height, weight, IQ, academic performance, general cognitive ability). Parenting account for close to 0% of the variation (although abusive parenting is known to cause problems).

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Qp6d TIL In 1974, CBS allowed the use of the N-word on an episode of the TV show “All in the family”
jbQn TIL A New York sociologist observed that women are a good indicator of good public places because they are more sensitive to annoyances. “If a plaza has a markedly low proportion of women, something is wrong…if it has a high proportion, the plaza is probably a good and well-managed one”
1aEkO TIL Juha Mieto of Finland lost the 15km cross county skiing event at the 1980 Olympics by 1/100 of a second. After this event the International Ski Federation changed its rules to round times to the nearest tenth of a second.
JYnL8 TIL when drinking alcohol and getting the spins, there will be the feeling of acceleration in a particular direction. As the alcohol wears off, there will be the feeling of acceleration in the opposite direction as alcohol leaves the vestibular system.
KYYO4 TIL: That a common anecdote for Japanese officers in World War 2 was that a soldiers life was worth one sen, five rin or the cost of mailing the draft notice