› added 8 years ago

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TIL that flossing was dropped from the US government’s dietary guidelines because no reliable study exist to prove its health benefits.

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QNP9p TIL about Seven Magic Mountains, a large-scale desert artwork in Nevada. Created by the Swiss artist Ugo Rondinone, it consists of seven fluorescently-painted totems of large, car-size stones stacked 32 feet (9.8 m) high.
0wBoL TIL the armonica which Benjamin Franklin invented in 1761 (and some believed caused madness) owes its disorienting sound due to the way we perceive and locate sound. Above 4khz we use loudness for location. Below 1khz we use phase differences. The armonica (1-4khz) is in a range the brain is unsure.
5Y479 TIL a zoo in Hokkaido sells lion-ripped jeans, beaver-gnawed coasters and other animal inspired products to stay open amid the COVID pandemic.
78bmx TIL that Antarctica is the largest desert in the world
AD1Go TIL that self-sustaining nuclear chain reactions can occurre and already have occured in nature.