› added 5 years ago

70

TIL the Great Lakes contain 21% of the world's surface fresh water

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ADYAl TIL there are radioactive elements called "bone seekers" because they are chemically similar to calcium and the body tries to use them to build bones.
16yA8 TIL that the first laws outlawing food coloring were in regards to bread. White bread was expensive and some bakers added chalk to lighten dark bread. King Edward I (1272-1307) created a law saying anyone caught using whiteners in bread would be put in the public pillory for one hour.
1QaW TIL there is a currently ongoing cartoon sequel to Mr Roger’s Neighborhood with a cartoon tiger that lives in the Neighborhood of Make-Believe. He befriends the children of the puppets from the original show.
N7GjP TIL the longest living vertebrate species is the Greenland Shark, reaching sexual maturity at 150 years old. The oldest known individual of the species is almost certainly older than the United States.
47bX TIL that the US hasn’t used up the Purple Hearts minted in anticipation of a bloody landing of Japan in WWII