APR 2, 2010 |
Rare Earth Roundup Rare earth elements make many modern technologies possible, but extracting them results in large amounts of toxic waste. |
JAN 26, 2010 |
Mountaintop Removal Mining Mountaintop removal mining has long-term consequences for the environment and human health. |
JAN 20, 2010 |
Martian Lakes Scientists find evidence of ancient lakes on Mars. |
JAN 14, 2010 |
Volcanoes on Mercury Ancient volcanoes found on the planet mercury challenge assumptions about the planet’s chemical composition. |
DEC 17, 2009 |
Old Earthquakes Aftershocks from major earthquakes in the Midwest go on for hundreds of years. |
NOV 17, 2009 |
Disaster Sensing Satellite imagery can sense chemical changes in the soil, revealing pollution, potential landslides, and more. |
AUG 13, 2009 |
Improving Geothermal Chemical innovations could make geothermal power a bigger player in alternative energy. |
AUG 6, 2009 |
Diamonds & Extinction What really killed North America’s large mammals at the end of the last ice age? |
JUL 30, 2009 |
Moon Elements A listener asks: What is the moon made of? |
JUL 20, 2009 |
Lunar Reconnaissance Orbiter NASA’s Lunar Reconnaissance Orbiter will send back unprecedented information about our closest cosmic neighbor. |
JUL 16, 2009 |
Rammed Earth The right amount of water can make a green building material super-sturdy. |
JUN 8, 2009 |
Mercury's Surface The MESSENGER spacecraft is giving scientists a first look at an entire half of the planet Mercury. |
MAY 15, 2009 |
Comet Roundup Comets may have provided the young Earth the molecules necessary for the formation of life. |
APR 20, 2009 |
Carbon-Soaking Rocks Certain rocks could absorb carbon dioxide emissions – if scientists can speed up the process. |
JAN 12, 2009 |
Little Ice Age Widespread disease epidemics in the Americas may have set off a period of global cooling in the past. |
NOV 24, 2008 |
Mineral Evolution Earth’s diverse array of inorganic minerals is the result of biological evolution. |
OCT 24, 2008 |
Remote Sensing Roundup New features built into laptops can help scientists detect earthquakes. |
AUG 13, 2008 |
Canada Explosion Diamonds and precious metals in the American Midwest point to a cataclysmic explosion in Canada long ago. |
JUN 17, 2008 |
Lunar Dust Moon dust not only gets into space suits, it could jeopardize the health of future astronauts. |
JUN 5, 2008 |
Gondwana Breakup A new explanation for how the ancient supercontinent of Gondwana broke into the continents of the southern hemisphere. |
APR 17, 2008 |
Transitional Fossils A listener asks: Have many transitional fossils showing evolutionary links between major groups of animals been found in the fossil record? |
APR 11, 2008 |
Microcrystal Roundup Tiny microcrystals can tell us about the geological history of continents, and they also affect the health of the planet. |
MAR 4, 2008 |
Lost City Vent An unusual deep-sea vent may have churned out the first seeds of life. |
FEB 6, 2008 |
Tectonics Slowdown Some researchers think plate tectonics may have come to a stop at different times in the past. |
JAN 31, 2008 |
Diamond Fingerprinting Scientists are using phosphorescence to authenticate blue diamonds.
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