› added 4 years ago

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TIL of the "Vitamin D Paradox" among black people. Researchers couldn't understand why black folks had better bone health while 80% were chronically Vit D deficient. They discovered black folks make less of a protein which interferes with Vit D. They have less overall but use it more efficiently.

Read more npr.org

via reddit.com

Wyk8 TIL that in 2004 Volvo unveiled a concept car “for women, by women” without a hood because “their target audience doesn’t need to look under the hood.”
L5AV TIL that GPS is, and will always be free because Korean Air Lines flight 007 was shot down over Russia in 1983
gMKZW TIL Mongolians invented minced/ground meat. They often had to eat while horseback riding, so they wrapped a few slices of meat under their saddles so it would crumble under pressure and motion and be cooked by heat and friction.
4X4R6 Today I learned that each train car of coal loses up to 3% of its load, a literal ton of coal, as dust when it is traveling from the mine to the power plant.
rNw4d TIL about Franklin and Armfield, the largest slave trading firm in US history. Adjusted for inflation, the company was worth billions of dollars.