KQED Science Video Podcast

Looking up at the jet stream, Ken Caldera, a climate scientist from the Carnegie Institution of Global Ecology at Stanford University says, "We find that there’s more than 100 times the power necessary to power civilization in these high altitude winds."

"Ocean Babies on Acid" focuses on an experiment that Stephen Palumbi and UC Davis marine biologist Eric Sanford are doing to study the effects of ocean acidification on sea urchin larvae off the California and Oregon coasts.

Scotts Valley photographer Bryant Austin swims eye-to-eye with the world's largest animals in order to bring attention to the plight of these intelligent ocean denizens.

Studying the effects of a concussion at its source, inside the brain, is no easy feat. Says Dr. Geoffrey Manley, Chief of Neurosurgery at San Francisco General Hospital, "What we’re dealing with is one of the most complicated injuries in the most complicated organ in the body."

How does San Francisco’s 600 tons of compostable waste become a nutrient-rich material that improves the quality of our local wines? Agronomist Bob Shaffer, Northern California's "compost guy," takes QUEST into the composting process.

The Salt Creek tiger beetle is one of the most endangered species in the United States, with only 200 to 500 beetles left. They're found only in a small saline wetland area just north of Lincoln, Nebraska. QUEST Nebraska reports.

Katie Colbert, a naturalist at the Sunol-Ohlone Regional Wilderness, shares with us how she tracked dozens of Nothern Pacific Rattlesnakes and what surprised her about their movements and behaviors.

Watch as thousands of prehistoric horseshoe crabs take over a beach in Delaware.

Every summer, 250,000 bats take up residence under a freeway bridge in California's Central Valley. And each night, they exit the bridge in a stunning ribbon-like formation.

As the space shuttle program comes to an end, QUEST profiles Marin County former astronaut Millie Hughes-Fulford.