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A new study spotlights the plight of the polar bear, but there's still time to help the beloved creature
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Life as We Know It
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In Poland's primeval forest, a Nazi scientist re-created an extinct breed of horse. Or did he?
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Why the biofuels movement could run out of gas
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Rakesh Jaiswal, founder of ecofriends.org, talks about the country's growing list of environmental problems
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Recent studies illustrate which traits humans and apes have in common—and which they don't
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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
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
Page 403 of 439
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