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First contact with inner Earth
Earth scientist Bruce Marsh talks about the first contact discovery of molten magma inside Earth. The dynamic movement of magma has helped shape the world on which we stand.
March 12, 2009
Arctic ice sheet tracking for lost ice
Scientist Terry Wilson talks about using seismic sensors to record the movement of arctic ice sheet and bedrock in Antarctica to track lost ice.
March 7, 2009
Afghanistan recovery could be spurred by natural resources
Geologist James Devine talks about how scientists could help Afghanistan manage the country's petroleum and copper reserves to revitalize the nation's troubled economy.
February 26, 2009
Ice-free summers in Arctic by next decade?
Some scientists say that Arctic summers might be ice-free within the next decade. Oceanographer Wieslaw Maslowski spoke to EarthSky about an accelerating melting of 'multi-year ice.'
February 24, 2009
Mysterious dead zones in the Pacific
She describes these dead zones, off the northwestern coast of the United States, as "virtual wastelands of dead crabs, dead worms, dead anemones, just littering the sea floor."
February 18, 2009
Climate in the southwest may suffer sustained drought
Edward Cook reconstructed the Southwest's past climate using tree ring records. The region has a history of drought, and he said global warming might increase this trend.
February 16, 2009
Paleontologist says dinosaurs were not special, just lucky
Columbia University paleontologist Steve Brusatte thinks dinosaurs might have been 'just lucky' to have ruled Earth for so long.
February 15, 2009
Jeremy Jackson recalls some ocean success stories
Jeremy Jackson said scientists know how to save ocean reefs and fisheries. But doing it is a matter of political will. He said the importance of success stories is that they provide a model and inspiration.
February 15, 2009
Bye bye birdies: Migration patterns are changing
Snow geese are spending winters 200 miles farther north than usual, and purple finches are a whopping 400 miles more to the north of their usual winter hangout.
February 10, 2009
Dinosaurs were killed by volcanoes?
Since 1980, scientists have believed a meteorite impact in the Yucatan caused a mass extinction of species, including the dinosaurs. But geologist Gerta Keller of Princeton disagrees.
February 9, 2009
