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TIL A lab technician accidentally created a burst of nuclear fission and was exposed to radiation levels 7 times above lethal limits in under a second.

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WA4X TIL a 6 feet wide stream exists in England that all who swim in it are sucked to certain death.
N7OMb TIL there is a monument in Canada commemorating the 14th division of Hitler's SS.
j6PrE TIL under rare circumstances, it is possible for human sperm to travel up the fallopian tube, through the ovarian tissue, and penetrate the wall of an intact ovarian follicle to reach the ovum and fertilize the egg before ovulation occurs
PpZn TIL That NASA thinks humans can probably survive completely unprotected in space for over 30 seconds without permanent injury.
MemP8 TIL Female mummies in Ancient Egypt were always more decomposed than their male counterparts. They discovered that this was because male bodies were embalmed a lot sooner than female bodies. Female bodies were kept at the family home until they started to decompose in order to avoid necrophilia.