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TIL a polar bear swam continuously for 687 kilometres (426 miles) in the Beaufort Sea. She swam for 232 hours or 9 days straight, in waters that were 2-6 degrees celsius, resulting in her cub dying and a drop in her body fat

Read more news.bbc.co.uk

via reddit.com

gMnaX TIL the Japanese bullet train system is equipped with a network of sensitive seismometers. On March 11, 2011, one of the seismometers detected an 8.9 magnitude earthquake 12 seconds before it hit and sent a stop signal to 33 trains. As a result, only one bullet train derailed that day.
vPan7 TIL that around 60,000 Australian soldiers and 3,900 New Zealand soldiers fought in the Vietnam war alongside the USA between 1962/64 -1972
BYwW TIL a murder case in ancient China that involved the use of a sickle was solved by testing the whole village’s sickles to see which one attracted flies in the midday sun, the culprit was identified and justice was delivered.
0w6A TIL a dingle is a deep, narrow cleft between hills. Hence the term: dingle berry.
QjLk TIL in the most famous account of her birth, Aphrodite was created when the titan Kronos castrated his father, Uranus. When the genitals fell into the sea, Aphrodite was born. This would also make her the oldest of the Gods and Goddesses.