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KQED Science Video Podcast

KQED Sciencekqed.org
KQED Science explores science and environment news, trends and events from the San Francisco Bay Area and beyond with its award-winning features and reporting on television, radio and the Web.
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Episodes

QUEST Lab: Aerogel

It looks like frozen smoke. And it's the lightest solid material on the planet. Aerogel insulates space suits, makes tennis rackets stronger and could be used one day to clean up oil spills. Lawrence Livermore National Laboratory scientist Alex Gash shows us some remarkable properties of this truly unique substance.

Apr 02, 20082 min

SETI: The New Search for ET

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but they've found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco and is breathing new life into the search.

Apr 02, 200811 min

The Fierce Humboldt Squid

SEASON 2 SNEAK PREVIEW. A mysterious sea creature up to 7 feet long, with 10 arms, a sharp beak and a ravenous appetite has invaded ocean waters off Northern California. Packs of fierce Humboldt Squid attack nearly everything they see, from fish to scuba divers. Marine biologists are working to discover why they've headed north from their traditional homes off South America.

Mar 27, 200810 min

Second Life: Big Avatar on Campus

It's a virtual world, but the transactions are real. Go inside Second Life, an online game where millions of people are creating digital personalities called avatars and are living virtual lives-- meeting other avatars, going to events, and even buying property with real money.

Sep 26, 20077 min

Do-it-Yourself Science: The Maker Faire

It's been called "Burning Man for science geeks." The annual Maker Faire attracts thousands of amateur inventors and scientists, displaying their home-made prototypes and gadget hacks. In a world where the technological race is speeding up, the Maker movement has revealed that the do-it-yourself culture is in no danger of dying out.

Sep 26, 20076 min

Into the Inferno: The Science of Fire

In dry years, fires in California cost billions of dollars and often result in lost lives. QUEST goes inside the fire season, looking at how the history of forest management could be feeding today's flames.

Sep 26, 200711 min

Sea 3-D: Charting the Ocean Floor

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.

Sep 19, 20076 min

Watching the Brain at Work: MRIs and Beyond

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.

Sep 19, 20079 min

From Salt Ponds to Wetlands

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.

Sep 19, 200710 min

Your Photos on QUEST - Russ Morris

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.

Sep 12, 20072 min

Earthquakes: Breaking New Ground

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.

Sep 12, 200710 min

Eat Less, Live Longer?

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.

Sep 12, 200711 min

Urban Forest 2.0

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.

Sep 05, 20073 min

The Reverse Evolution Machine

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.

Sep 05, 20079 min

Perilous Diesel

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.

Sep 05, 200710 min

The Great Switch-Out

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.

Aug 01, 20074 min

The Planet Hunters

Do other planets like Earth exist? To find out, a team of astronomers from the University of California is building a new telescope in the hills east of San Jose. QUEST finds out how the team searches for planets and why it matters.

Aug 01, 200711 min

Napa Wineries Face Global Warming

The Napa and Sonoma microclimates produce world famous wines, but what happens if the climate changes? Scientists are predicting that global warming could increase the number of super-hot days in the California wine region, interfering with the way grapes ripen. Local scientists and wineries are beginning to look at how to prepare.

Aug 01, 20079 min

Falcon Fascination

When it comes to these Bay Area internet celebrities, you can peak into their homes 24 hours day. QUEST visits a famous pair of Peregrine Falcons in downtown San Jose, whose family dramas-- from courtship to parenthood-- are caught on webcam.

Jul 25, 20074 min

Illuminating the Northern Lights

Bay Area residents may not get to see the northern lights, but Bay Area scientists are playing a key role in understanding them. Find out more about the spectacular light shows up north and what scientists at UC Berkeley are discovering about the earth's magnetic field.

Jul 25, 20078 min

Born Too Soon: Preterm Births on the Rise

The United States has the highest rate of premature births of any developed nation in the world. But why? QUEST meets some of the Bay Area researchers working to answer that question, and discovers some of the technology and cutting-edge medical procedures used to care for the most vulnerable newborns.

Jul 25, 200712 min

Story Time with Young Science Authors

What do kids age 5-8 think about science? Young authors from the KQED Reading Rainbow Young Writers and Illustrators Contest read their science-themed contest entries.

Jul 18, 20073 min

Landslide Detectives

With its rolling hills and winter storms, the Bay Area has been a landslide hotspot, putting houses and lives at risk. Meet the geologists working to understand and predict these natural disasters.

Jul 18, 200710 min

Better Bees: Super Bee and Wild Bee

California farmers depend on bees to pollinate the state's multi-million dollar fruit and nut crops, but last season thousands of bee colonies disappeared around the country. Meet two Northern California researchers looking for ways to make sure we always have bees to pollinate our crops.

Jul 18, 200711 min

Wi-Fi Revolution

Silicon Valley is planning one of the world's largest wireless networks, providing outdoors Web access to all and services to police and first responders. But how exactly does the technology known as Wi-Fi work?

Jul 11, 20074 min

Wetlands Time Machine

Over 100,000 acres of wetlands are being restored in the Bay Area, but how do we know what to restore them to? QUEST discovers how historical ecologists are recreating San Francisco Bay wetlands that existed decades ago.

Jul 11, 200710 min

From Waste To Watts: Biofuel Bonanza

It may look like waste, but to some people it's green power. Find out how California dairy farms and restaurants like Jardiniere are taking their leftover waste and transforming it into clean energy.

Jul 11, 200710 min

Solar City: The Future of Nanosolar

Hoping to leave today's silicon solar cells behind, the Palo Alto company NanoSolar is creating paper-thin solar panels harnessing nanotechnology, a product that could revolutionize solar power.

Jul 04, 20074 min

Out of the Park: The Physics of Baseball

At UC Berkeley, a team of undergrads is experimenting with velocity, force, and aerodynamics. But you won't find them in a lab-- they work on a baseball diamond, throwing fast balls, sliders and curve balls.

Jul 04, 200712 min
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