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TIL there is a 29 story skyscraper in Manhattan that has no windows, and was originally designed to withstand a nuclear blast

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ADoYB TIL that the US Navy publicly denied what is now believed to be an urban legend. Allegedly, a US Navy battleship or aircraft carrier encountered what was ostensibly another vessel and the Captain instructed it to change course. The response was, 'I'm a lighthouse. Your call.'
EgY67 TIL that there was a "dancing plague" in 1518 that killed upwards of 400 people in Strasbourg.
DQdLp TIL that Canada has a large desert area, resembling the Sahara, with massive dunes. It borders Lake Athabasca and is surrounded in boreal forest.
b67n7 TIL that Seahorses live in the Hudson River. Seahorses are found in temperate and tropical waters all over the world, including the Hudson River, which is home to the Lined Seahorse.
E1YBP TIL Naked mole rats defy the biological law of aging - They rarely get cancer, are resistant to some types of pain, and can survive up to 18 minutes without oxygen. But perhaps their greatest feat, a new paper suggests, is that they don't age. Naked mole-rat mortality rates do not increase with age.