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TIL that the increase in Great White Sharks is due to the success in protecting seals and sea lions, which the sharks eat

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RW76 TIL The Unabomber was so smart that for his PHD thesis he solved a math problem that even his own math professor couldn’t solve. Another math professor said of his thesis “I’d guess that only 10 or 12 people in the country could understand or appreciate it.”
KOQZ9 TIL: If your vehicle’s “check engine light” remains constantly lit, the problem is not likely an emergency. However, a flashing “check engine light” usually indicates a severe engine misfire allowing raw fuel to enter the exhaust system. This can cause major damage and requires immediate servicing.
wL7x8 Til, Heracleitus, sick with Dropsy, tried to cure it by covering himself in cow dung, thinking that it would draw the bad humours out. One version claims that the manure was too wet and he drowned in it, another that it was too dry and he dried out, third version says dogs ate him whole.
VBm6D TIL the deepest known blue hole (underwater sinkhole) in the world is called the Taam Ja' Blue Hole and is in Mexico's Chetumal Bay. It's been measured to 1,378 feet (420 meters) deep, although scientists still haven't found the bottom.
wLl7W Face shields are even better than masks and famed Japanese designer Tokujin Yoshioka may help you to make your own.