› added 3 years ago

156

TIL that, although people consider prostitution to be the "oldest profession", human beings have been practicing dentistry since around 7000BCE. This makes the oldest surviving records of dentistry far older than that of prostitution.

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via reddit.com

N7llP TIL that square-round ice cream cartons are called "Squrounds"
0w7w1 TIL that if you were to visit the southernmost part of Canada, you would be south of 13 U.S. states and parts of California, Nevada, and Utah
6EdpZ TIL that when Monarch Butterflies migrate south over Lake Superior, they steer widely around something invisible for no apparent reason. It’s widely believed that they’re steering around a mountain which no longer exists, and is just a memory that’s still passed on to modern generations
j6pdR TIL the great mathematician Leonhard Euler once believed the Earth was falling into the sun "where it would necessarily be burnt."
nWWZB TIL that many food products readily sold for consumption in the US are illegal and banned in Europe because they contain dangerous substances, like arsenic and growth hormones, that cause cancer and birth defects.