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TIL if you had a baseball-sized piece of neutron star material it would weigh 20 trillion kg, about 40 times the estimated weight of the entire human population

Read more chandra.harvard.edu

via reddit.com

neKMo TIL that the name Dennis derives from Dionysus, name of the Greek god of the grape-harvest, winemaking and wine, of fertility, ritual madness, religious ecstasy, festivity and theatre
grWb TIL Finnish WWII sniper Simo Häyhä, who killed 505 Soviet soldiers in less than 100 days, didn’t even use a telescopic sight.
9YOv6 TIL of Sir Douglas Mawson, an Australian who led an expedition to the south pole in 1912. He went on a 3-man sledding team. On the way back to the main base, his two teammates died and most of the equipment was lost. He continued the final 100 miles back alone and survived falling down a crevasse.
5VKaB TIL: The Allies raided a Nazi chemical company in 1944 and interrogated a chemist due to the amount of radioactive material involved. However, they learned that he was not working on nukes, but radioactive toothpaste known as Duramad, using radiation to kill germs. Some samples are in a museum now.
lyWA TIL that, following the death of Princess Diana, England and Wales saw a 17% increase in suicides. Among women who were roughly as old as Diana (aged 25–44), this was as high as 45%.