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TIL Herschel Grynszpan, a Jew whose killing of a Nazi diplomat sparked Kristallnacht. He was assumed to have been killed by the Nazis after disappearing from historical records in 1942. However, a 2016 facial recognition test yielded a 95% chance of Grynszpan being the man in a post-WW2, 1946 photo.

Read more theguardian.com

via reddit.com

OYEa TIL That according to the UN, Gaza will no longer be “livable” by 2020 unless urgent action is taken to improve water supply, power, health, and schooling. (Asked to repost with more credible link.)
o9R7 TIL that a fake Wikipedia article about a fictional war (“Upper Peninsula War”) went unnoticed for years.
BrBmK TIL about dry ice on Mars. This is a winter image of dry ice on Mars showing eroded channels filled with frozen carbon dioxide that appear like white ghostly spiders. During the Martian summer the ice will sublimate into the atmosphere, leaving the empty channels behind until Martian winter returns.
b9ON0 TIL The dizziness and blurred vision (feeling of fainting) caused by suddenly standing up after a long time is called Orthostatic Hypotension. Because of gravity, your blood will fall to your lower body which causes your Thorax (chest area) and head to temporarily lose 700ml of blood.
WkgD4 TIL about Puppy cats. A term that relates to specific types of cat breeds that show behavioral tendencies that are reminiscent of young domestic dogs.