KQED Science Video Podcast

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From Salt Ponds to Wetlands Sep 18, 2007

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For more than 100 years, south San Francisco Bay has been a center for industrial salt production. Now federal and state biologists are working on a 40-year, $1 billion project to restore the ponds to healthy wetlands for fish, wildlife and public recreation.

Watching the Brain at Work: MRIs and Beyond Sep 18, 2007

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The human brain was once a black box, but scientists are finding ways to peer inside and explore some of our most complicated thought processes. Using MRI scanners in innovative ways, Stanford scientists are learning how children's brains process words when they read.

Sea 3-D: Charting the Ocean Floor Sep 18, 2007

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Using sound and laser technology, researchers have begun to reveal the secrets of the ocean floor from the Sonoma Coast to Monterey Bay. By creating complex 3-D maps, they're hoping to learn more about waves and achieve ambitious conservation goals.

Eat Less, Live Longer? Sep 11, 2007

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Have we found the fountain of youth? Scientists are discovering ways to make animals live dramatically longer through calorie restriction. While the technique has attracted a small, but devout following, skepticism abounds.

Earthquakes: Breaking New Ground Sep 11, 2007

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Can earthquakes be predicted? Northern California researchers are now identifying the slow-moving clues that may foreshadow violent quakes. Their work may provide even a few seconds of warning to open elevator doors, slow down trains or alert firefighters.ment officials to find creative solutions for at-risk areas like West Oakland, California.

Your Photos on QUEST - Russ Morris Sep 11, 2007

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QUEST launches a new photography feature about viewers like you who love documenting science, environment and nature imagery here in the Bay Area. This week, meet Russ Morris, who takes pictures using 2 cameras at once-- one old, one new-- to create unique images.ment officials to find creative solutions for at-risk areas like West Oakland, California.

Perilous Diesel Sep 04, 2007

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What's the most harmful kind of air pollution? It's soot generated by diesel engines found in trucks, buses and ships. Diesel engines are the durable workhorses of transportation, but as they get older, they spew unhealthy soot. They are now challenging community activists and government officials to find creative solutions for at-risk areas like West Oakland, California.

The Reverse Evolution Machine Sep 04, 2007

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In search of the common ancestor of all mammals, UC Santa Cruz scientist David Haussler is pulling a complete reversal. Instead of investigating fossil remains, he's comparing the genomes of living mammals and constructing a map of our common ancestors' DNA. His technique holds promise for providing a better picture of how life evolved on Earth.

Urban Forest 2.0 Sep 04, 2007

Show notes

The urban forest is going digital. Thanks to volunteers with laptops and handheld devices, San Francisco is creating an online map of every street tree in the city, getting a leg up on keeping the urban landscape healthy and growing. interfering with the way grapes ripen. Local scientists and wineries are beginning to look at how to prepare.

The Great Switch-Out Jul 31, 2007

Show notes

Compared to traditional incandescent light bulbs, new compact fluorescent bulbs use at least two-thirds less energy and last up to 10 times longer. Many say that widespread use would produce major energy savings and reduce global warming emissions. But some people say their lighting is too harsh. QUEST sheds some light on the bulb debate.

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