Genetics
DNA confirmed a Pueblo tribe’s ties to Chaco Canyon
DNA supports Picuris Pueblo stories of their ancestry going back more than 1,000 years — to the famous Chaco Canyon site.
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Scientists Say: Quasi-satellite
Unlike a true satellite, these tagalongs orbit outside a planet’s primary sphere of gravitational control.
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Experiment: Blow the best homemade bubbles
What’s the best recipe for blowing the most impressive bubbles? Let’s find out.
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Explainer: What is cancer?
Cancer is a whole collection of diseases with one thing in common: all develop when the body’s cells start dividing out of control.
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Narwhals may use their enormous lance-like tusks to play
Video shows narwhals using their tusks to prod — even flip — fish they don’t target as prey. It’s the first reported evidence of these whales playing.
