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To clean highly polluted groundwater, Michael Wong has developed a detergent based on gold
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Biologist Beth Shapiro has figured out a recipe for success in the field of ancient DNA research
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Where did the world’s highest mountains come from? Geologist Elizabeth Catlos takes a new view
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A new book of photographs taken in the ocean depths reveals a world abounding in unimagined life
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Face to face with Congo’s imperiled mountain gorillas
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One hundred fifty years after the publication of Walden, Henry David Thoreau is helping scientists monitor global warming
Wild Things: Life As We Know It
Tail-waving squirrels, black-footed ferrets and tool-using crows
The evolution scholar talks about a landmark new study challenging the classic view of human ancestry
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Electronic eggs hatch new insights into breeding exotic birds at the National Zoo
Health Checks
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How mercury gets into tuna and other fish in the ocean has scientists searching from the coast to the floor
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Richard Fiske discusses his groundbreaking work
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A look at man-made and natural causes that are threatening the Earth
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Forty years after the passage of the Clean Air Act, researchers have seen great progress while studying the dangers of pollution
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Our oceans are in trouble, says Nancy Knowlton. But it’s not too late to do something about it
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