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TIL that the US Fish and Wildlife department is planning to dump 1.5 tons of poison rat pellets on an uninhabited island off the coast from San Francisco. This island is one of the largest breeding sanctuaries for sea birds. The poison can move through the food chain.

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P1J1G TIL the countries with the highest average human height are the Netherlands, Montenegro, Estonia and Denmark and the lowest are East Timor, Guatemala, Laos and Nepal.
j6A0n Today I Learned: In 1679 Papin invented his steam digester (pressure cooker), a closed vessel with a tightly fitting lid that confines the steam until a high pressure is generated, raising the boiling point of the water considerably. A safety valve of his own invention prevented explosions.
0kKp TIL Lake Titicaca eventually drains into Lake Poopo
p8RDQ TIL that Helium (He) is the only element on the periodic table that was not discovered on Earth. It was found when analyzing the sun’s spectrum, hence its name which comes from the Greek god of the sun Helios.
LQyVZ TIL that the first written mention of the card game "Blackjack" was in the novel "Rinconete y Cortadillo", written by Miguel de Cervantes (Author of "Don Quixote" ). likely because he was a gambler. The game is used by the protagonists to cheat people out of money.