Three teams hit the trail earlier this month for a reenactment of the 1925 Serum Run to Nome, a legendary effort that is credited with saving the town from diphtheria.
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Live Science on MSNSavonoski Crater: The mysterious, perfectly round hole in Alaska that scientists can't explainThe Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...
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