› added 8 years ago

210

TIL there is 237,000 tonnes of Arsenic Trioxide frozen in a degrading mine in Yellowknife, enough arsenic to kill the world several times over.

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XQKr TIL the average male has 5 erections per night (while sleeping) and they last anywhere from 20-30 minutes.
BryMW TIL that the colour Magenta, does not exist on the visible spectrum. Our brain apparently constructs the colour Magents to bridge the gap between red and violet.
PnMZ TIL that some infinities are larger than others
awPZ9 TIL Bicycles are the most efficient machine ever made (98% efficiency)
wLr4Y TIL scientists interested in aging joined the circulatory system of two mice together—one young, the other old—and studied the effects. The old mouse experienced reversed aging in muscle and in the brain. Researchers are keen to start clinical trials in humans.