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TIL: The Bulletin of the Atomic Scientists has been updating a 'Doomsday Clock' showing how close we are to the 'end of the world' since 1947. The 2020 update puts us closer than we've ever been to catastrophe: 100 seconds from 'midnight'.

Read more thebulletin.org

via reddit.com

LgGd TIL if you stack every atom in the human body on top of the next, the total length would be roughly 73-Light Years.
wL9NE TIL there are certain foods astronauts can't eat in space, including bread because it lacks the right structure and shelf life, soda, because the carbonation is affected differently, and salt and pepper, because they act differently in microgravity
QNZE6 TIL the British National Archives found 29 forgeries, planted within 12 of their files, which all support elaborate claims made about WWII by historian Martin Allen, who is believed to be the only person to check out all those files. But the CPS decided not to prosecute, in part due to his health.
nWna7 TIL Of Xenophon, who was described as the greatest general that preceded Alexander the Great. Xenophon was the father of retreating and successfully led his 10,000 men out of Persia following betrayal and constant attacks by the Persians.
p8DJp TIL that Cashews (and Mangoes) are in the same family as Poison Ivy. In fact Cashew shells, when freshly picked, cause poison-ivy type symptoms.