› added 5 years ago

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TIL that dental fluoride was discovered due to a chemist investigating the weird staining on the teeth of people living in a small town in Colorado.

Read more nidcr.nih.gov

via reddit.com

4Xmrb TIL bananas used to have seeds. Kind of obvious in retrospect, but that is TIL in a nut shell.
nWvnG TIL that vanilla bean farmers tattoo their vanilla beans to avoid theft, using a sharp toothpick-like stick piercing dots in the outer pod in the shape of their initials.
VMEGG TIL That Pluto is legally a planet in Illinois
R54W1 TIL that among all civilian jobs in in the US, workers spend on average more than 60% of their workday standing
M7ymW TIL in November 1970 an airplane carrying the Marshall University football team (plus coaches and a few other people) crashed into a mountaintop outside the Huntington WV airport, killing all 75 people on board. It is considered the worst sports-related air tragedy in U.S. history.