On the Prowl
Rare jaguar sightings have sparked a debate about how to ensure the cats’ survival in the American West
Interview: Steven Amstrup
A new study spotlights the plight of the polar bear, but there’s still time to help the beloved creature
Wild Things
Life as We Know It
Galloping Ghosts
In Poland’s primeval forest, a Nazi scientist re-created an extinct breed of horse. Or did he?
Who’s Fueling Whom?
Why the biofuels movement could run out of gas
India in Peril
Rakesh Jaiswal, founder of ecofriends.org, talks about the country’s growing list of environmental problems
Animal Insight
Recent studies illustrate which traits humans and apes have in common—and which they don’t
Midas Touch
To clean highly polluted groundwater, Michael Wong has developed a detergent based on gold
How to Make a Dodo
Biologist Beth Shapiro has figured out a recipe for success in the field of ancient DNA research
Rock of Ages
Where did the world’s highest mountains come from? Geologist Elizabeth Catlos takes a new view
Creatures of the Deep!
A new book of photographs taken in the ocean depths reveals a world abounding in unimagined life
Guerrillas in Their Midst
Face to face with Congo’s imperiled mountain gorillas
Teaming up with Thoreau
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
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