Topic: Geology

June 22, 2018 North American Sea - The enormous sea that once covered North America formed more recently than was thought.
April 12, 2018 Oil Boom Earthquakes - Did early 20th century oil wells in southern California trigger major earthquakes?
March 6, 2018 Rock Water - Earth's bedrock helps many forests survive drought.
January 11, 2018 Seismic Array - An array of seismographs provides an unprecedented look at the earth beneath the United States.
October 25, 2017 Earth Moving Salmon - Can spawning salmon erode mountains?
June 6, 2017 Undersea Methane Craters - Massive undersea craters in the Arctic were formed by methane eruptions.
February 7, 2017 Coal Vent Bacteria - Scientists discover useful biomedical compounds above a smoldering inferno.
November 7, 2016 Oil Boom Earthquakes - Did early 20th century oil wells in southern California trigger major earthquakes?
September 29, 2016 Raindrop Fossils - Raindrop impressions, preserved for 2.7 billion years, reveal clues about the early Earth's climate.
September 13, 2016 Stalagmites & Earthquakes - Stalagmites preserve a record of ancient earthquakes.
August 11, 2016 Earthquakes & Ancient Temples - Geologists in India are measuring damage to ancient temples in order to better understand past earthquakes.
May 20, 2016 Ancient Rocks - Ancient minerals are providing new information on the formation of our planet.
April 6, 2016 Pluto’s Surfaces - New research reveals that frozen nitrogen flows across the surface of Pluto.
March 3, 2016 Methane Leak Lessons - The massive methane leak in California’s Aliso canyon highlights the global side effects of the fossil fuel industry on the atmosphere.
December 30, 2015 Science Breakthroughs of 2015: Deep Mantle Plumes - Science Breakthroughs of 2015: Seismic imaging reveals the existence of plumes of hot rock reaching deep into Earth’s mantle.
November 17, 2015 Earth’s Water Origins - Lava found deep below the earth reveals the origins of earth’s water.
October 20, 2015 First Life - Life on earth may have emerged even earlier than previously thought.
October 19, 2015 Pluto’s Secrets Revealed - Pluto’s first close-ups reveal unexpected geological features.
June 18, 2015 Human-Induced Earthquakes - What’s behind the sudden surge in earthquakes in the middle of the United States?
April 21, 2015 Disaster Science - How can scientists better prepare for natural and man-made disasters?
October 8, 2014 Seafloor Mapping - Space-based measurements of the ocean’s surface are revealing the topography of the seafloor miles below.
September 17, 2014 Wastewater Earthquakes - Regions of the U.S. that rarely saw earthquakes in the past are now shaking regularly due to oil and gas extraction activities.
December 31, 2013 Carbon Capture - Could injecting greenhouse gases into earth’s crust help curb global warming?
October 1, 2013 Everyday Objects Roundup - Discarded compact discs could be used to treat wastewater.
November 23, 2012 Paleotempestology Roundup - The new science of paleotempestology studies ocean sediment to uncover ancient hurricanes.
July 24, 2012 Martian Water - An analysis of meteorites suggests that the Martian interior contains much more water than previously suspected.
June 5, 2012 Martian Carbon - Researchers have discovered organic carbon in meteorites from Mars.
May 24, 2012 Vesta the Protoplanet - The asteroid belt between Mars and Jupiter contains an embryonic planet in arrested development.
April 27, 2012 Podcast for 27 April 2012 - Why some planets are on the run. How to harpoon a comet. And counting penguins from space.
April 19, 2012 Raindrop Fossils - Raindrop impressions, preserved for 2.7 billion years, reveal clues about the early Earth's climate.
April 13, 2012 Podcast for 13 April 2012 - CHEMISTRY & LIFE - What 2-billion-year-old raindrop fossils can tell us about conditions on the early earth. What science is revealing about the artwork of Leonardo da Vinci and Vincent Van Gogh. And a breakthrough in materials science technology yields plastic that can repair itself.
January 17, 2012 Earthquakes & Cyclones - Bad storms in Taiwan and Haiti may have contributed to earthquakes there.
October 31, 2011 Mercury’s Volcanoes - The planet Mercury seems placid compared to others in the solar system. But the MESSENGER spacecraft is revealing a more tumultuous past.
October 24, 2011 Mercury’s Make-up - The MESSENGER spacecraft is revealing new details about the tiny planet’s chemical composition.
October 11, 2011 Not-So-Precious Metals - If you’re wearing a gold ring, it began as a meteeorite that struck the earth billions of years ago, but vast deposits of precious metals are also hidden deep in the earth’s core.
October 6, 2011 Podcast for 7 October 2011 - MERCURY SPECIAL REPORT - The MESSENGER spacecraft is revealing new discoveries about the planet closest to our Sun.
October 4, 2011 Mercury Hollows - NASA's MESSENGER spacecraft has identified mysterious hollows on the planet's surface.
October 3, 2011 Mercury Origins - The MESSENGER spacecraft is revealing surprising details about the origins of the planet Mercury.
May 25, 2011 Tsunamis & Sealife - A listener asks: What happens to the seafloor and to sealife when tsunamis hit?
December 29, 2010 Crusty Microbes - A diversity of microorganisms lives in the hot rocks deep beneath the ocean floor.
September 22, 2010 Mica Life Hypothesis - A new hypothesis suggests that life began between ultra-thin sheets of minerals.
September 17, 2010 Podcast - AIR & SPACE: The moon is shrinking - slowly, astronomers discover a solar system similar to our own, exploring the moons of Jupiter, how satellite-based mapping programs can help during natural disasters, and why clouds have distinct borders.
September 10, 2010 Podcast - FLU SEASON: Can exercise help stave off illness? Changes to the seasonal flu vaccine, bacterial surprises, and better ways to purify water in developing countries. Also: did life originate between mica sheets?
April 2, 2010 Rare Earth Roundup - Rare earth elements make many modern technologies possible, but extracting them results in large amounts of toxic waste.
January 26, 2010 Mountaintop Removal Mining - Mountaintop removal mining has long-term consequences for the environment and human health.
January 20, 2010 Martian Lakes - Scientists find evidence of ancient lakes on Mars.
January 14, 2010 Volcanoes on Mercury - Ancient volcanoes found on the planet mercury challenge assumptions about the planet's chemical composition.
January 8, 2010 Podcast - Mountaintop removal mining's devastating effects on the environment, ancient Martian lakes, an herbal disappointment, fish that punish cheaters, and reading and writing in the brain.
December 17, 2009 Old Earthquakes - Aftershocks from major earthquakes in the Midwest go on for hundreds of years.
November 17, 2009 Disaster Sensing - Satellite imagery can sense chemical changes in the soil, revealing pollution, potential landslides, and more.