› added 4 years ago

101

TIL that the United Kingdom has over 1,000 stone circles

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via reddit.com

M71gV TIL the world's oldest terrarium / sealed bottle ecosystem has been thriving since 1960. The 10-gallon bottle is like a mini Earth. It has only been opened once in 53 years to add a bit more water (in 1972). Otherwise it has been sealed without fresh water or air.
dD94r TIL: Gravity on the ISS is ~90% of the Earth's. It looks like they're on zero-G because both the astronauts and the ISS are in a continual state of freefall (orbiting the Earth).
9wv4D TIL there are over 700 quintillion planets in the universe
kGE1 TIL the movie ‘A Nightmare on Elm Street’ was based on news articles of Cambodian refugees refusing to fall asleep due to nightmares. Many of them ended up dying in their sleep of unexplained causes.
NX4eJ TIL about Li Xouying, who lived through the Massacre of Nanking. While 7 months pregnant, she fought off three Japanese soldiers who stabbed her 37 times; she survived and went on to advocate for the victims.