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TIL that Lewis and Clark's campsite 'travelers rest' was located by detecting mercury left behind in their stool samples. To combat constepation they consumed pills which contained the metal, mercury doesnt biodegrade so it's still detectable in multiple site locations across America.

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Zev TIL there’s a floating island the size of a football field in Springfield, Massachusetts that destroys fences and sheds as it occasionally moves around.
Z8Xvp TIL that Isaac Newton studied alchemy, tried to put all the world's religious histories together into one timeline, thought Atlantis was real, associated with secret societies like the Freemasons, and predicted the end of the world in 2060.
grvw7 TIL Disneyland had an Aunt Jemima restaurant with an Aunt Jemima character
v1el8 TIL that Andrew Jackson’s parrot cursed so loudly and for so long during the former president’s funeral that the wicked bird had to be removed from the service as shocked mourners watched.
Rn78 TIL If North Dakota seceded from the Union, it would be the world’s third strongest nuclear power.