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TIL the eruption from a Coke and Mentos geyser isn't caused by a chemical reaction, but rather a physical one. The surface of the Mento has millions of cavities which serve as nucleation sites for carbon dioxide to desaturate from.

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p8Odb TIL Lufthansa is the world's largest purchaser of caviar, buying about 5% of world production.
v1ndj TIL When a snake in the Tokyo Zoo was given a live hamster (as a meal), they two became “best friends.”
JPpl TIL that the German word for foolhardy is “tollkühn” and that is where Tolkien derived his surname from.
MRva TIL that two months after escaping the World Trade Center on 9/11, a 26-year old woman died on American Airlines Flight 587 that crashed in Queens, New York, killing 265.
g6OD TIL lipstick may contain metal in toxic amounts. Daily use of lipstick and/or lip gloss may expose women to excessive amounts of the metal chromium which is associated with stomach cancer. Also, 75% of products tested contain lead. There is no way for consumers to find out a product’s metal content.