› added 10 years ago

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TIL that around 1,000 homeless people live in flood tunnels under Las Vegas

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via reddit.com

aYgM TIL: In Wales in 1950 a man was wrongfully executed for the murder of his wife and daughter. It is the reason capital punishment is outlawed in the UK today
VVEm TIL the human brain has shrunk by about the size of a tennis ball in the last 20,000 years
kOpA5 TIL that “moonbows” are a natural phenomenon that occurs when (1) the moon is close to full, (2) rain is falling opposite the moon, and (3) the moon is low. Since the moon is the only source of light, the lunar rainbow will appear monochromatic to the naked eye. (More links in comments)
P1A6E TIL about the Braunschweig meteorite, a 1.3kg meteorite that hit a concrete path in Germany, leaving a 3cm deep/7cm wide crater, presumably the smallest impact crater we know of.
LkjmP TIL In 1867, Russia sold the territory of Alaska to the U.S. for $7.2 million. A mere 50 years later, the Americans had earned that amount back 100 times over!