› added 3 months ago

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TIL: Bananas are radioactive - Bananas have naturally high levels of potassium and a small fraction of all potassium is radioactive. Consuming one banana would deliver a total dose of 0.01 millirem (0.1 microsieverts) of radiation. (This is a very small amount of radiation)

Read more epa.gov

via reddit.com

BgOax TIL the U. of Portsmouth found that poorly fitting bras can irreparably damage breast ligaments. Most bras only limit vertical movement, while breasts move up to 21cm in three dimensions during exercise. Many women wear the wrong size due to stigma, lack of awareness, or changes in size over time.
OoQ8Y In a new study in Science, a team of linguists at the University of Zurich uses biomechanics and linguistic evidence to make the case that the rise of agriculture thousands of years ago increased the odds that populations would start to use sounds such as f and v. The idea is that agriculture introduced a range of softer foods into human diets, which altered how humans' teeth and jaws wore down with age in ways that made these sounds slightly easier to produce.
lb8N TIL that we sent people to the moon before we put wheels on suitcases
nedYr TIL that manatees rely on their farting abilities to keep them afloat. When they have gas stored up, they’re more buoyant and float to the surface. When they fart out that gas, they sink. When constipated and can’t pass gas, they can't swim properly and float around with their tail above their head.
W7549 TIL that 'The Teachings of Don Juan' and its sequels were submitted to the UCLA Department of Anthropology as non-fictional accounts of shamanism in the American Southwest; they earned their author a PhD. The books were later discredited as fabrications