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TIL during the period between 1964 and 1973, US dropped 260 million bombs in Laos, a country smaller than Michigan. The number of bombs dropped there is larger than bombs dropped on Europe during the whole of World War II.

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dDWkQ TIL that the death rate for heart attacks increases by 15% on days when marathons are held in major US cities. This is thought to be due to road closures and traffic around the marathon route. Ambulance ride length increases by an average of four minutes on marathon days.
QJrJp TIL about Hemicorporectomy. The amputation of the entire lower body, including the pelvis, the genitals, the anus, the urinary system and rectum.
VBp6D TIL in the year 1840, 95 years before the founding of AA, there was a group called The Washingtonians who believed in the power of one alcoholic helping another alcoholic recover. At its peak, the group had more than 600,000 members but drifted from its primary purpose and entirely dissapeared.
L0Dd TIL neurologist Oliver Sacks wrote about a man who after a night involving amphetamines, cocaine and PCP awoke with a extremely heightened sense of smell. Sacks revealed years later that it was in fact himself.
9YNaM TIL that sometime in 1981, President Ronald Reagan ordered an SR-71 to spy on a secret North Korean conference, not because there was anything to learn, but because the repeated sonic booms would interrupt the conference and there wasn’t a weapon on earth which could shoot the craft down.