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TIL Sharks have been around longer than trees. Sharks appeared 400 million years ago while trees appeared 350 million years ago.

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b6X94 TIL about Poverty Point, a Native American site dated to 1,700 B.C. which was built by moving 53,000,000 cubic feet of soil by hand, creating massive mounds which the "city" was built on. It was a society of hunter gathers that created an expansive trade network that reached from Louisiana to Ohio.
Dle TIL Richard Hammond left his Porsche 911 in traffic, and ran 16 miles for his daughter’s fourth birthday
K7LG TIL Mike Tyson first got into fighting when another boy ripped off the head of one of his pet pigeons
ZkpG TIL that the co-founder of Alcoholics Anonymous wanted to include the use of LSD in the 12-step program, saying that it helped the user find “a power greater than ourselves” that “could restore us to sanity”
rRVx0 TIL about the “Seneca Drums,” a mysterious booming sound that comes from Seneca Lake in upstate NY.