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TIL That in 1996, a hurricane formed over Lake Huron

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D1WWV TIL: All of the world's four deepest caves are in located in Abkhazia. The record-holder is Veryovkina Cave, which goes down at least 1.3 miles. Due to the hazards and need for specialized rope techniques, "the round trip —top to bottom and back— takes professional speleologists about a week."
wLkP TIL there is a brand of cigarettes designed explicitly for smuggling.
M7b9b TIL that a pipe is supplying water to China’s tallest waterfall, the Yuntai Waterfall. The fall are also one of the country’s most popular natural attractions.
eEML TIL if your cell phone reaches a speed of 1,200mph and an altitude of over 60,000ft, the built-in GPS will disable itself. This is due to a Government regulation that prevents the GPS feature in the device being used in a guided missile.
v1ZE4 TIL that people can die from simply giving up on life. Senior research John Leach said “give-up-itis” can kill in just three weeks without help.