› added 1 year ago

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TIL that, because of bleaching agents and hairspray, hairdressers are at very high risk of developing lung disease.

Read more occup-med.biomedcentral.com

via reddit.com

wLWp8 TIL that the classic movie portrayal of a crowded asteroid belt where the asteroids are only metres apart is inaccurate. In reality the average distance between asteroids is around 965,000 km (600,000 miles) and if you were to fly through it, a collision would be unlikely.
nWD7b TIL fast food restaurants frequently use Columbus Ohio to test out new products because the demographics of the city closely resemble those of the country as a whole
KlL6 TIL the man who invented Life Savers (candy) had a son who committed suicide by jumping off a ship.
7r1dM TIL that leap years are every 4 years, but if it's divisible by 100 we skip it, unless it's divisible by 400 then we add it back, UNLESS it's divisible by 8000, in which case it will be skipped
avPZ TIL People with herpes have a numeric code that they can put on their profile on dating sites to allow potential partners with herpes search for them