Professor Erle Ellis is proposing a new way to map the Earth's biomes, taking into account the effect humans have had on the planet. Jorge Ribas reports.
The Mekong region in Southeast Asia is home to more than a thousand new plant and animal species, says the World Wildlife Fund. But challenges are ahead in balancing conservation and growth.
Jorge Ribas reports.
What lives 1,800-feet underwater, spews molton rock and sounds like a rumbling tractor trailer? The erupting Brimstone Pit in the North Pacific, recently recorded by NOAA.
Pesticides and fertilizers can wind up where you don't want them. SafeLawns.org founder Paul Tukey stops by Jorge Ribas' backyard and gives him some tips on eco-friendly gardening.
For backcountry trekkers in Alaska, avalanches come with the territory. The Alaska Avalanche School teaches them how to spot, avoid and provide rescue after one. Jorge Ribas goes to class.
With thousands of asteroids, comets and other near-Earth object buzzing by our planet, Jorge Ribas finds out how we can avoid the same fate as the dinosaurs.
Biologist J. Craig Venter helped crack the human genome. His next goal: create life. Jorge Ribas talks to him about the promise and perils of synthetic biology.
Astrophysicist Andy Puckett explores the universe, especially undiscovered asteroids that could one day smack into our planet. Jorge Ribas gets the odds on our survival.
NASA hopes the Solar Dynamic Observatory will turn its scientists into space weathermen. Discovery Channel?s Dave Mosher and Jorge Ribas learn more about the satellite that?s set to launch in December.
Avalanches are fast, powerful and just plain scary; and Alaska Avalanche School director Blaine Smith knows all about them. Jorge Ribas asks him three questions.
Regrowing skin, bones and even organs might seem like something out of a mad scientist's lab, but the reality isn't so crazy. Jorge Ribas finds out how tissue engineering could help the sick and injured.
COMMENTS (0)