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'Groundbreaking' ancient DNA research confirms Pueblo peoples' ties to famous Chaco Canyon siteNew genetic research confirms what the oral traditions of the Picuris Pueblo people of New Mexico have long described — that they're related to the Indigenous people of Chaco Canyon.
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Why are flies attracted to humans?Flies are attracted to our pungent "cloud of effervescence," experts say.
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Can your eyes get sunburned?Photokeratitis, or eye sunburn, can happen at any time of the year.
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Were the Vikings really that violent?The Vikings' reputation for bloodlust compared to other medieval fighters may have been exaggerated over the years.
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Why does drinking water feel so good when you're thirsty?Drinking water triggers a variety of complex biochemical reactions that reward rehydration and help satiate our thirst.
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32 of the world's smartest animalsThough measuring animal intelligence is tricky, some animals show remarkable cognitive abilities that may rival our own.
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What happens to meat as it's cooked?Heat triggers a series of complex chemical reactions that change the color, flavor and texture of meat.
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Why do cats hate closed doors?Meowing, sticking their paw under the door or pawing at the door are just some of the strange things cats do around closed doors. But why?
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If birds are dinosaurs, why aren't they cold-blooded?If dinosaurs were reptiles, then why aren't birds cold blooded?
