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127

TIL lobsters have teeth in their stomach

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N7YrP TIL The mayfly, Dolania americana, is believed to have the shortest adult lifespan of any insects. The adult insects emerge before dawn in early summer, mate, and die within the space of about 30 minutes. The female deposits her eggs in the water and dies within 5 minutes of emergence
RaQ6 TIL that Herbert Hoover (as well as JFK) gave his presidential salary to charity.
p8bE8 TIL that Simpsons episode where Krustyburger nearly goes bankrupt from giving out free burgers when USA won gold medals is based on fact, and this actually happened with McDonald's when the USSR boycotted the 1984 games
1JmO TIL that cats have scent glands in their paws. When they kneed their paws into us they are marking their territory.
1aNQX TIL that Pluto is so cold that it's covered in frozen Nitrogen ice. About 800,000 years ago, it may have been warm enough to have liquid Nitrogen flowing across its surface in lakes and rivers.