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TIL Marie Curie's belongings will be radioactive for another 1,500 years and all guests are expected to sign a liability waiver and wear protective gear to get access as the items are contaminated with radium 226. Her body is also radioactive and was placed in a coffin lined with lead.

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JYQrj TIL research shows that playing a musical instrument activates all major parts of the nervous system at once, and that as you age your brain still receives benefits from the activity
vRKB TIL in 1946 US researchers used prostitutes to infect prison inmates and insane asylum patients to test the effectiveness of Penicillin.
oBEOW TIL that one of the founders of the House Un-American Activities Committee, Samuel Dickstein, was himself a Soviet agent during the late 1930s.
PY1ww TIL that architects can design a home or building with a glass structure that lets cool air in the bottom and releases warm air at its top. This is known as a solar chimney and works off similar principles of regular fire chimneys
GAWy4 TIL after a Night trick or treating, 8 year old child was given one last sweet by his own Father. later the kid dies because the candy was poisonous and the father tried to claim his son's life insurance.