› added 6 years ago

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TIL about the Crow Paradox. Crows have no difficulty telling humans apart, and even hold grudges against individuals, but for humans it's almost impossible to recognize individual crows

v1BbL TIL Mt. Everest is actually not the tallest mountain on Earth, instead it has the tallest elevation or highest point above sea level. Mauna Kea in Hawaii is the actual tallest mountain, however most of it is underwater so it is often discredited.
M7AWb TIL Kentucky has the strictest school bus safety standards in the USA, e.g. requiring 9 emergency exits. It was in response to a tragic 1988 school bus crash where a fire killed 27 trapped children and adults. The 1977 bus had only 2 exits and ran off flammable gasoline held in an unprotected tank.
AD1Yw TIL of involuntary parks, areas rendered unsuitable for human habitance (by acts of mankind) that have since returned to its original, wild state as a result, like the Chernobyl Exclusion Zone for example.
ADrLg TIL The magnetic north pole moves around 55 kilometres (34 miles) a year. It crossed the international date line in 2017, left the Canadian Arctic and is headed to Siberia. This presents a problem for compasses in smartphones and other electronics.
EmJW TIL one of the top 10 most secure places in the world is a unique multi-storey car park in Derby, England. The architect designed it in response to his car window being broken and his stereo stolen. Other entries in the top 10 include Fort Knox, Air Force One, and Saddam Hussein’s Baghdad bunker