Multimedia Gallery
Audio
Listen to USGS podcasts, interviews, and explorer audio clips related to earth science.
Earth Science Week, Continued: Geologic Maps--The World Beneath Your Feet
In this fourth installment of our Earth Science Week series, scientist Randy Orndorff gives us the lowdown on how geologic maps show what's down low, and he explains how these maps and the USGS's new geologic time scale and colors benefit planning, development, industry, and you.
Earth Science Week, Continued: Geomagnetism and the Self-Sustaining Dynamo Called Earth
USGS scientist Duane Champion explains the Earth's geomagnetic qualities and the potential for and possible consequences of a geomagnetic shift.
Earth Science Week, Continued: Antarctica from Above and Below
In our second Earth Science Week installment, we talk with scientist Richie Williams about the USGS's amazing new satellite imagery of Antarctica as well as what's going on with ice on the southernmost continent.
Hello, Earth Science Week! So What's Up With the Northwest Passage?
We welcome you to our Earth Science Week extravaganza (a podcast every day from Monday to Friday!), and then we sit down with Tom Armstrong to talk about the intriguing past and uncertain future of the Northwest Passage.
This Episode of CoreCast is Highly Questionable
We turn the mic around and give you a chance to ask those deep, thought-provoking science questions you've been obsessing over.
Hazard Roundup--September 2007
A roundup of the previous month's hazard-related events around the world, with some newsworthy tidbits.
Polar Bear Research
How important is the link between polar bears and sea ice? USGS Associate Director for Biology Sue Haseltine talks about it, along with some other aspects of the USGS's recent polar bear research.
When is an Earthquake not an Earthquake?
We sit down with USGS Senior Science Advisor for Earthquakes and Geologic Hazards David Applegate to talk about some of the subtle nuances and uses of seismic networks.
Hazard Roundup--August 2007
A roundup of the previous month's hazard-related events around the world, with some newsworthy tidbits.
Endocrine Disruption: Sex-Changing Fish and More
We talk with Carl Schreck, USGS biologist, on the effects humans are having on aquatic life by introducing chemicals and waste products into lakes and streams. How do these contaminants affect aquatic species' reproductive systems, metabolism, mood, growth development, and more? Listen to find out.
Hurricanes and Extreme Storms--Coastal Hazards, Assessments, and Changes
Each year hurricanes and tropical storms cause billions of dollars worth of damage to the Eastern United States. With the peak period being August and September, it's the perfect time to remind ourselves of the risks and discuss what research the USGS does in regard to hurricanes and strong storms.
Climate Change
We catch up with Tom Armstrong, Senior Advisor to the Director on Climate Change, to ask him some burning questions about how climate change is affecting the planet and our lives.
Eastern American Toad (Bufo americanus americanus)
The sound of an Eastern American toad (Bufo americanus americanus) call.