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TIL That in 2016 a woman was seriously burnt after 'fart' caused laser to burst into flames

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E9eP TIL there is a proposal for Canada, The United States, and Mexico to abandon their native currencies for a shared currency, similar to the euro.
KYJrJ TIL that Roman concrete has lasted for millennia due to its unique ingredients. Unlike modern concrete, which can weaken over time, Roman concrete was made with volcanic ash, lime, and seawater. This mix actually helped it strengthen over the centuries and resist cracking.
JY4LV TIL Frances Clayton (nee’ Clalin) disguised herself as a man to fight Union side in the Civil War in April 1862. She went by the name Jack Williams. Her husband died fighting next to her in December 1862
nen87 TIL that hiccups is the same phenomenon as hypnic jerk (the contraction that makes you wake up suddenly when you're falling asleep). It's called a myoclonic jerk of the diaphragm.
9n8D TIL in 1908 Teddy Roosevelt approached the Smithsonian Institution with an idea. He would collect specimens from Africa to have sent back for display and would be of unique value. The “unique value” he was referring to was the chance to acquire specimens shot by the president of the United States.