› added 6 months ago

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TIL almost 75 percent of the refrigeration and air conditioning sector can be converted to natural refrigerants, such as ammonia

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m1XEP TIL the exercise paradox: hunter-gatherers who trek miles daily (or climb up trees) burn the same calories as much-less-active office workers and machine operators
p8g4p TIL that about 372 million people receive artificially-fluoridated water in about 24 countries, including Australia, Brazil, Canada, Chile, Ireland, Malaysia, the U.S., and Vietnam. Fluoridation is rare in Europe, with 97–98% choosing not to fluoridated drinking water.
AD6QB TIL that the 'Thin Blue Line' is supposed to be Law Enforcement standing between us and chaos. I always thought it was symbolizing the line between 'Us and Them' but the supposed meaning seems ironic given the last few days events.
lBrG TIL prisoners in China are reportedly being forced to gold mine in games like WOW to build up credits that prison guards can trade for real money
Vwp4 TIL that all six members of Monty Python have an asteroid named after them