Earth Sciences53
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Ice Sheets May Melt Rapidly in Response to Distant Volcanoes
A study of ancient eruptions shows modern ice sheets could be vulnerable.
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Final Stop: Antarctica’s Ross Ice Shelf
We have embarked! Our third Antarctic field season is underway, putting us only 18 flights away from completing our mission to map the Ross Ice Shelf, the largest ice shelf in Antarctica.
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Expedition Explores Undersea Rift off Greece
The Corinth rift is one of the most seismically active areas in Europe. Starting this month, researchers will drill into the rift to discover its past and future.
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What Is a Supervolcano, and Should You Really Be Worried About the One at Yellowstone?
Despite recent media reports, there’s no imminent threat, says Columbia geologist Einat Lev.
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Ancient Humans Left Africa to Escape Drying Climate, Says Study
Ancient humans migrated out of Africa to escape a drying climate, says a new study—a finding that contradicts previous suggestions that ancient people were able to leave because a then-wet climate allowed them to cross the generally arid Horn of Africa and Middle East.
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Study Bolsters Volcanic Theory of Ancient Extinction
A team of scientists has found new evidence to bolster the idea that the Permian Extinction, which occurred 252 million years ago, was caused by massive volcanic eruptions in what is now Siberia.
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Photo Essay: Climate Change, Sea Level and the Vikings
A thousand years ago, powerful Viking chieftans flourished in Norway’s Lofoten Islands, above the Arctic Circle. In an environment frequently hovering on the edge of survivability, small shifts in climate or sea level could mean life or death. People had to constantly adapt, making their living from the land and the sea as best they…
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What the Vikings Can Teach Us About Adapting to Climate Change
The rise of the Vikings was not a sudden event, but part of a long continuum of human development in the harsh conditions of northern Scandinavia. How did the Vikings make a living over the long term, and what might have influenced their brief florescence? Today, their experiences may provide a kind of object lesson…
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‘Pangeo’ Project Will Improve Access to Climate Data
The better climate models become, the harder it is to use them. One team of researchers is working to fix that.
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