› added 2 months ago

21

TIL Underground caves are formed by acid eating holes in rock

Read more nps.gov

via reddit.com

oRKrK TIL that smoke detectors need to be replaced every 10 years
jbMM TIL an American exchange student in Germany had to be rescued by firefighters after getting stuck in a vagina sculpture.
N7lNJ TIL Karen was the most popular name for girls in California in the early 1960s
kd5B TIL that kids of dry cleaners are 3-½ times more likely to develop schizophrenia, possibly due to prolonged exposure to toxic chemicals.
o9VY TIL that the prescription bottles are orange because it restricts the amount of light entering the bottle, and it’s not green or brown because that ruins visibility of the pills.