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TIL Clarence Birdseye, inventor of frozen foods, had previously worked as a hunter for the US government. Seeking to find a cure for Rocky Mountain Spotted Fever, Birdseye was assigned to collect small animals and search them for the ticks which transmitted the disease. He found nearly 4,500 ticks.

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b9NbE TIL There is a lake in Russia nicknamed the “Siberian Maldives” where Russians pose for photos due to its bright turquoise colour. The lake is not that colour naturally it is turquoise due to toxic waste runoff from a local power plant and is very hazardous
yakV TIL the composer for Looney Tunes cartoons, Carl W. Stalling, wrote on average one complete episode score per week for 22 years
P1OQn TIL when New Zealand crowd-sourced ideas for a new national flag, one of the most infamous designs was "Fire the Lazer", a flag with a silver fern and a kiwi shooting a laser out of its eyes.
Z8G64 TIL of Helenite, a green obsidian-like gemstone created accidentally after the Mount St. Helens explosion. Local timber workers were using acetylene torches to free equipment when they noticed that the heat was transforming the volcanic ash and rock into an alluring green compound.
a8gAJ TIL that in 2011 a man in Egpyt named his daughter Facebook. He chose the name to "to express his joy at the achievements made by the January 25 youth," who organized protests with social media, starting that day, which led to the ouster of Egyptian President Hosni Mubarak, after 30 years in power.