Topic: Geology

Lakes under glaciers a key to sea level rise

Posted Jul 26, 2008 in download Help
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Earth scientist Chris Shuman studies liquid lakes beneath ice sheets in Antarctica. These lakes – such as Lake Vostok – stay liquid due to geothermal heat from Earth’s interior. Shuman said these hidden Antarctic lakes affect the way glaciers move toward the sea.

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Mysterious depths: Earth's deepest sinkhole

Posted Sep 15, 2008 in download Help
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Scientists have returned from an expedition to study one of Earth’s last unexplored environments.

It’s the deepest water-filled sinkhole in the world: El Zacaton in Mexico.

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Missing gravity near Canada's Hudson Bay

Posted Sep 15, 2008 in download Help
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Scientists are talking about a strange case of “missing gravity” near the Hudson Bay area of Canada.

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Mystery of Antarctica's huge, ghostly mountain range

Posted Sep 15, 2008 in download Help
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Expeditions are underway to explore what scientists call the “new frontier” at Earth’s poles.

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