› added 4 years ago

77

TIL a revolution in Germany helped end World War One

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XJgr TIL a coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy
j648X TIL the human body can naturally settle into a sleep-wake cycle of up to 50 hours, when there's no day/night cycle to observe. In 1962 geologist Michel Siffre entered a darkened cave, where he planned to remain for two months tracking time assuming 1 sleep equals one day, but he was off by 2 weeks.
oBZV8 TIL that vegetarians are more likely to suffer from mental disorders than omnivores
wP0E TIL about KEO. A time capsule that will be launched into space and return in 50,000 years! It has enough space for everyone on the planet to submit a 4 page letter about themselves, it’s completely uncensored and free. [More information in the comments]
9AyD TIL of a half plant, half animal sea slug that eats algae to gain their photosynthetic powers, now needing only sunlight to survive.