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News stories tagged with "geology"

Natural Selections: Diamonds and Rubies

Dr. Curt Stager and Martha Foley talk about what makes a gemstone instead of a lump. How do high-school chemistry terms such as carbon and aluminum oxide become the stuff dreams--and bling--are made of?  Go to full article
Olympus Mons compared to Arizona
Olympus Mons compared to Arizona

Natural Selections: Extraterrestrial Volcanoes

Planetary probes continue to bring us remarkable images of other worlds. Images of Venus show a blast furnace environment crossed by rivers of molten rock. On Mars one can see a shield volcano the size of Arizona. Martha Foley and Dr. Curt Stager take us out of this world.  Go to full article

Natural Selections: When Fire Meets Water

The power of volcanos comes from more than the intense heat and pressure found beneath the earth. The force behind violent eruptions often comes from steam created when molten lava vaporizes underground water. Martha Foley and Dr. Curt Stager talk about nature's blowouts.  Go to full article

Natural Selections: Return to Snowball Earth

Some scientists believe that the entire Earth was locked in ice between 600,00 and 700,000 years ago. Dr. Curt Stager and Martha Foley discuss the increasingly popular "Snowball Earth" theory, and how it affected the course of life.  Go to full article

Natural Selections: Snowball Earth

Harvard geologists believe that at least one ice age, 600 million years ago, covered the entire earth--that the oceans were covered by a kilometer of ice. Dr. Curt Stager and Martha Foley discuss the controversial new theory.  Go to full article

Natural Selections: Dowsing for Water

Dr. Curt Stager discusses the practice of using a divining rod to find water. Some people seem to be able to do it. So, is it for real, or just an old wives tale? The answer may lie somewhere in between.  Go to full article

Natural Selections: Ice-Walled Lake Plains

Sometimes lakes appear on top of old glacier deposits. Dr. Curt Stager explains that some potato fields in Gabriels, NY have exhibited the characteristics of ice-walled lake plains.  Go to full article

SUNY-Potsdam Professor Tracks Earthquake

Todd Moe talks with Dr. Frank Revetta, Professor of Earth Science and Geophysics at SUNY Potsdam. His job is keeping track of earthquakes in the North Country.  Go to full article
How the USGS seismograph saw the quake.
How the USGS seismograph saw the quake.

Earthquake Rattles North Country

A moderate earthquake hit the north country on Saturday, damaging churches, cracking foundations, and shattering storefront windows. The tremor and two long aftershocks did the most damage in Clinton County, fifteen miles southwest of Plattsburgh. Brian Mann toured the area and has this report.  Go to full article

Natural Selections: Gemstones

What is it about diamonds and other jewels that make them so special? Martha Foley and Dr. Curt Stager talk about gemstones.  Go to full article

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