› added 9 years ago

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TIL: 37 states in the US don’t require sex education to be medically accurate. Some states will let you teach the Stork before teaching about condoms.

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7rOR7 TIL Johnny Cash has a younger brother called Tommy Cash, who is also a singer-songwriter and had songs like "I Didn't Walk the Line" and "My Mother's Other Son"
KYgA4 TIL That throughout the Cold War, almost the entire CIA's Cuban network of spies, actually worked for Cuba as double agents.
rJ00 TIL 30% of the world population cannot drink wine – they get severe headaches
oRPwE TIL about the Great Smog of London, an intense five-day period of fog in December 1952 which was so severe that 100,000 people suffered from respiratory disease, and 10,000-12,000 died.
b9MlQ TIL that clonally transmissible cancers exist. These cancers can be transmitted between individuals without the involvement of an infectious agent (unlike e.g. HPV-associated cervical cancer). They are very rare in humans but more common in dogs, Tasmanian devils and clams.