› added 1 year ago

46

TIL about Scheele’s Green (aka Schloss Green), an arsenic-laced artificial color very popular in the 19th century, showing up in artificial flowers, candles, toys, fashionable ladies’ clothing, soap, beauty products, confections, and wallpaper and leading to scores of deaths.

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via reddit.com

j6XYQ TIL breast milk can be used to heal medical conditions such as rashes and ear infections
epgNg TIL Some cities are using blue light bulbs in public restroom, park lighting because the glow supposedly masks the blue-tinted lines of veins — making it harder for intravenous drug users to find a vein.
4kdVR TIL about the “big Bang” guns made out of a 4.5B year meteorite and sold for $4.5M
78Apr TIL that Nabisco is short for the somewhat dryly named National Biscuit Company.
VV0B TIL “Bows eventually replaced spear-throwers as the predominant means for launching sharp projectiles on all continents except Australia.”