KQED Science Video Podcast - podcast cover

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.
Last refreshed:
Follow this podcast in the Metacast mobile app to refresh it and see new episodes.
Download Metacast podcast app
Podcasts are better in Metacast mobile app
Don't just listen to podcasts. Learn from them with transcripts, summaries, and chapters for every episode. Skim, search, and bookmark insights. Learn more

Episodes

Science on the SPOT: Sound Waves - Listening to Orcas

They are an icon of the Pacific Northwest, stirring a mix of fascination, awe and affection. Thousands of people come to the San Juan Islands in Puget Sound just to catch a glimpse of the Southern Resident orcas that call these waters home.

Jul 20, 20116 min

Web Extra: How Hummingbird Got Fire

Mount Umunhum gets its name from the Ohlone word for hummingbird or "resting place of the hummingbird." Hummingbird is a central figure in the Ohlone creation story and an important part of their culture. Valentin Lopez, Chairman of the Amah-Mutsun Ohlone tribal band, reads the legend of how Hummingbird got fire from the Badger People.

Jul 19, 20113 min

Mt. Umunhum: Return to the Summit

QUEST treks 3486 feet to the peak of Mt. Umunhum rising steeply above the Silicon Valley. During the Cold War the Air Force installed a sprawling radar station at the top of this mountain. For over 50 years the summit has been off limits to the public. Now it’s being cleaned up and will soon be opened again as open space.

Jul 19, 20113 min

Cool Critters: The Gray Fox

QUEST visits with a rescued North American Gray Fox at the Lindsay Wildlife Museum in Walnut Creek. This elusive species is native to the Bay Area and happens to be the only member of the dog family who can climb trees.

Jul 19, 20112 min

Science on the SPOT: Lupe the Mammoth Comes to Life

In 2005, a partial skeleton of a juvenile mammoth was discovered along the Guadalupe River near downtown San Jose. Those bones and a full-scale replica will be featured in The Children's Discovery Museum of San Jose's mammoth exhibit, set to open June 11th. Learn more about these majestic creatures that roamed the Bay Area during the Ice Age with UC Museum of Paleontology's Kaitlin Maguire.

Jun 01, 20116 min

Redwoods and Climate Change

QUEST follows a group of UC Berkeley scientists to the top of a 320-foot redwood in Mendocino County. Only 5 percent of these ancient redwoods survived our voracious desire for their hardy and plentiful wood. Now scientists are trying to predict how the remaining ones and their descendants might fare in the face of climate change in the decades to come.

May 25, 201112 min

QUEST Lab: Properties of Plastic

Exploratorium Staff Scientist Julie Yu changes and manipulates the physical and chemical properties of plastic bottles by exposing them to heat. This is how plastic bags and bottles can be recycled and used over and over again.

May 25, 20112 min

Your Photos on QUEST: Steven Christenson

Most nature photographers put their cameras away at night. Not Steven Christenson. As the co-founder of the very successful Bay Area Night Photography group, he guides like-minded, low-light photographers to find interesting subjects after the sun goes down. Steven reveals his special process of photographing star trails for Your Photos on QUEST.

May 18, 20112 min

Web Extra: The Terroir of Cheese

"Terroir" is a French word that has historically been used to describe the geographical features such as climate, soil and topography that lend unique flavor characteristics to a wine. Now this term is being applied to artisan cheese, underscoring the importance of location in the production of award-winning, handmade cheese. Watch this QUEST web extra to learn more about the role of terroir in artisan cheese.

May 18, 20113 min

The Science & Art of Cheese

Cheese. It comes in more than 2,000 varieties – hard, soft, fresh and aged - and it’s been with us for thousands of years. Take a journey to Cowgirl Creamery in West Marin to learn how artisan cheese is made and how scientists are putting cheese under the microscope to gain new insights about this incredible, edible food.

May 18, 201110 min

Field Notes: Brian Fisher in Madagascar

Entomologist Brian Fisher braves raging rivers, and dense tropical forests as he travels the world searching for new species of ants before they are lost to habitat destruction. Experience a slice of Fisher's life and work through video footage from his field work with ants in Madagascar.

May 11, 20112 min

Bats In Our Midst

QUEST ventures under a Central Valley bridge to count the bats that make it their home. The bridge is one of the most important roosting places for Mexican free-tailed bats in the Central Valley, where this voracious insect-eating species protects the local crops from pests. Then meet two volunteers who take injured bats into their homes and nurse them to health.

May 11, 201111 min

Your Videos on QUEST: Joshua Cassidy

In his debut film, Life by the Tide, San Francisco filmmaker Joshua Cassidy takes an intimate look into the tide pools at the Fitzgerald Marine Reserve in Moss Beach, CA. Your Videos on QUEST features an excerpt of Cassidy's film.

May 04, 20112 min

Searching for Life on Mars

After multiple unmanned missions to Mars, we still don’t know if life has ever existed there. NASA scientists are hoping a new high-tech rover will help them solve the mystery. The Mars Science Laboratory is scheduled for launch in late 2011 and will search for any evidence that the Red Planet was once capable of supporting life.

May 04, 201110 min

Into the Deep with Elephant Seals

Thousands of northern elephant seals – some weighing up to 4,500 pounds – make an annual migration to breed each winter at Año Nuevo State Reserve, on the San Mateo County coast. Marine biologists are using high-tech tools to explore the secrets of these amazing creatures, which can hold their breath for an hour and dive a mile below the surface.

May 04, 201112 min

Science on the SPOT: Banana Slugs Unpeeled

One of the most beloved and iconic native species within the old growth redwood forests is the Pacific Banana Slug. QUEST goes on a hunt to find and introduce Ariolomax dolichophallus, a bright yellow slug with a big personality.

Apr 13, 20116 min

Science on the SPOT: Secrets of Sourdough

Since the Gold Rush days when prospectors baked loaves in their encampments, sourdough bread has been a beloved favorite of the Bay Area. But what is true sourdough bread? It's more than just the tangy flavor. Science on the SPOT visits with Maria Marco of UC Davis and baker Eduardo Morrell to learn more about the secret science of sourdough.

Mar 24, 20118 min

Science on the SPOT: Fungus Fair

One day each December, Bay Area mushroom lovers fan out and collect fungi of all shapes and colors. They then display their finds at the Mycological Society of San Francisco’s annual Fungus Fair. QUEST tags along with fair organizer J.R. Blair and his San Francisco State University students as they collect mushrooms in San Francisco’s McLaren Park. Then we tour the fair in Berkeley to explore the Bay Area’s tasty, dangerous and weirdly wonderful fungi.

Mar 09, 20116 min

Science on the SPOT: Revisiting Albino Redwoods, Cracking the Code

Stanford geneticists Ghia Euskirchen and Barry Starr trek into the Santa Cruz Mountains to uncover the genetic mystery of the rare albino redwood trees. QUEST follows along as they seek to discover the root of the mutation. Taking both albino redwood and normal - or "wild type" - samples back to their lab, they will put them through the genetic ringer and for the first time sequence the complicated redwood genome.

Feb 23, 20116 min

Science on the SPOT: Revisiting Albino Redwoods, Biological Mystery

UC Santa Cruz plant biologist Jarmila Pitterman and her students are studying rare albino redwood trees in the Santa Cruz Mountains to better understand the inner workings of these unusual plants. By learning how albino redwoods survive, they may unlock some of the mysteries of how redwood trees live and how they will weather things such as disease, drought or climate change.

Feb 23, 20116 min

Science on the SPOT: Peregrine Falcons Up Close

QUEST meets the San Francisco Zoo’s resident Peregrine Falcon, "Bella." Not long ago Peregrine Falcons were perched at the edge of extinction. But through the work of conservationists, they have rebounded and have been taken off the endangered species list. "This is a conservation success story." says Noelle Bidegainberry of the SF Zoo, "Our hope is that when people meet Bella they are inspired to take conservation into their own hands."

Feb 09, 20116 min

Science on the SPOT: Open Source Creativity - Hackerspaces

Inspired in part by the open source movement, public spaces are emerging where people congregate to share ideas, make cool projects, teach, and brainstorm with collaborators on everything from coding to cooking. With no leaders, they have one rule: "Be excellent to each other." Take a tour of the hackerspace Noisebridge, located in the heart of San Francisco's Mission District, with co-founder Mitch Altman.

Jan 26, 20115 min

Science on the SPOT: Measuring Redwood Giants

Forest ecologist Steve Sillett is leading a team of scientists as they climb and measure every branch of some of the last and tallest old growth redwoods in California. Their goal is to learn how these ancient giants have historically responded to climatic shifts and to monitor how they are being impacted today by global warming.

Dec 18, 20106 min

Science on the SPOT: Watching the Tides

Ocean tides rise and fall twice a day, influenced by the gravitational forces of the sun and moon. Studying tides' rhythmic movements helps us understand both the ocean and the cosmos. Astronomer Ben Burress explains how tides work, and QUEST visits Crissy Field in San Francisco to see the oldest continually operating tidal gauge in the Western Hemisphere.

Dec 11, 20106 min

Science on the SPOT: Cal Academy Butterfly Collection

The California Academy of Sciences has the largest collection of biological reference materials west of the Mississippi. Dating back over 100 years, the collection provides a treasure trove of biological information for scientists and researchers studying the natural world. Norman Penny, the Collections Manager of the Entomology Department, gives QUEST a small peek at The Academy’s vast butterfly collection.

Nov 19, 20105 min

Science on the SPOT: Fire and Butterflies

Can fire save the endangered Mission Blue Butterfly? The Golden Gate National Recreation Area experiments with using controlled burns to improve habitat for this critically imperiled Bay Area native.

Oct 28, 20105 min

Science on the SPOT: Life on the Farallones

The Farallon Islands off the coast of San Francisco are a vital home to many birds and marine mammals. While the forbidding and inhospitable nature of the Farallones may be ideal for wildlife, it also makes this a difficult place for scientists to live and work. QUEST ventures out to these jagged rocks to get a glimpse of daily life on the islands and what it’s like there for the researchers from PRBO Conservation Science.

Oct 14, 20106 min

Science on the SPOT: Digging the Devil's Slide Tunnel

California Highway One, between Pacifica and Montara, was carved out of the steep coastal cliffs. Plagued by closures due to rockslides and land slippage, this route has earned the nickname "The Devil's Slide." Now two tunnels beneath San Pedro Mountain, each 30-feet wide and 4,200-feet long are being dug to bypass it. QUEST meets the engineers and geologists deep underground to learn how Caltrans is digging this new tunnel.

Oct 02, 20105 min
For the best experience, listen in Metacast app for iOS or Android