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TIL that asbestos can be found in rocks and soil all over the world and has been used for over 4,500 years by our ancestors for various purposes. But the large scale asbestos industry started with the mining of asbestos in Quebec, Canada in the 1870's.

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MeNkK TIL that landlocked country of Mongolia maintains a Navy which consists of 1 tugboat and 7 sailors, 6 of whom do not know how to swim.The boat is placed in Mongolia's largest lake & after privatization of the Navy by the government it now supplements its income by hauling freight and tourists around
BMrb TIL Steve McQueen would often demand free items in bulk from studios (razors, jeans, etc.) and would donate them to a reformatory school.
ANG67 TIL that a “Jiffy” is a real unit of time. Defined by Gilbert Lewis in 1926 as the time it takes light to travel 1cm (~33.3564 picoseconds), it has since been redefined in astrophysics & quantum physics by Edward Harrison as the time it takes for light to travel 1 fermi (or, 10^-15m: ~3×10^-24sec):
QNlKk TIL queen bumblebees are the only bumblebees to survive winter. Since queens are necessary to start colonies in the springtime, killing an existing bee colony (with future queens) can destroy several generations of bumblebees.
nejVB TIL that Millennials being scrutinized isn't unique to this generation. Older generations have been doing it to younger generations for over 2,000 years. Similar criticisms include laziness, being self absorbed, spending too much money, expectations being too high, and the use of technology.