› added 9 years ago

93

TIL that Lightning bolts prefer to take the path that an aircraft or rocket previously took.

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via reddit.com

Z8D9Y TIL that the Shakers, a celibacy-focused sect similar to the Quakers, has only 2 members left worldwide.
worZE TIL During sleep, brain waves help flush waste out of the brain. Individual nerve cells coordinate to produce rhythmic waves that propel fluid through dense brain tissue, washing the tissue in the process
98pD TIL In the 1960s, the big tubs of Green Army Men toys used to come with Japanese soldiers that were made out of yellow plastic.
YpMn7 TIL U.S. flight attendants have higher rates of breast cancer, uterine cancer, gastrointestinal cancer, thyroid cancer, and cervical cancer, when compared with the general public, likely due to regular exposure to cosmic ionizing radiation
aw6yN TIL in the late 1990s, a man studying the underground chambers of the Colosseum found patterns of holes, notches and grooves in the walls. By connecting the dots of the negative space, he discovered that a system of elevators had been used to transport wild animals and scenery to the main floor.