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TIL grasshoppers that live near a road evolve to call at a higher pitch than more rural grasshoppers so as to be heard over the traffic. This increases their chances of mating. Birds in noisier parts of cities also call at higher pitches than the same species of birds in quieter parts.

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0ExR TIL in his will George Bernard Shaw provided for a competition to invent an alphabet better suited to the English language than the Roman alphabet. The resulting alphabet is called the Shavian alphabet and is supported by Unicode.
1aoQW TIL the most dangerous virus is the Marburg virus. It causes convulsions and bleeding of mucous membranes, skin and organs. It has a fatality rate of 90 percent
MejPB 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.
e0xEb TIL "Girls Just Want To Have Fun" was written in 1979 by Robert Hazard. It was written from a male's perspective. In 1983, Cyndi Lauper recorded a version of the song, ironically turning a misogynistic song into one of the most well-known feminist anthems.
x6LJw TIL That In 1996 during an SAS training exercise 21 year old Bear Grylls broke his back after falling from 16,000 feet due to a torn parachute. 2 years later he climbed Mt. Everest becoming the youngest Briton to reach the world's highest peak at the time.