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How many of you have ever photographed the highly-ornamented cave formations within Carlsbad Caverns National Park in New ...
Smithsonian Magazine on MSN22h
Sunscreen, Clothing and Caves May Have Given Modern Humans an Edge Over Neanderthals When Earth’s Magnetic Field WanderedA new study suggests the extinction of Neanderthals nearly coincided with a shift in Earth's magnetic field that let more ...
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