› added 9 years ago

438

TIL There is a terrarium, or sealed ecosystem that is 50 years old and thriving.

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via reddit.com

rNpgW Til that veggies sparks in the microwave from metals and minerals in them
R7mgj TIL static sparks produced under low humidity (as in to car doors in winter) can go up to 20,000 volts! 40 V is enough to be fatal with wet skin (1st part under Production; 2nd part under Safety in link)
gM4YD TIL: In the 1960’s The FAA intentionally created 1200+ Sonic Booms over Oklahoma City in a six-month span to test the effect on residents and wildlife in anticipation of commercial supersonic flight
neRrd TIL that William Hunter Dammond became the first African-American graduate of the University of Pittsburgh in 1893, but was not recognised as such until 2000.
VMM4 TIL Rats, when orally administered fullerenes, lived nearly 100% longer without negative effects