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8 Votes Vote

Past climate change and continental ice melt linked to varying carbon dioxide levels

Posted by External 3 days ago General — Scientists have discovered that a globally warm period in Earth's geological past featured highly variable levels of CO2. Previous studies have found that the Miocene climatic optimum, a period that extends from about 15 to 17 million years ago, was associated with big changes in both temperature and the amount of continental ice on the planet. Now a new study has found that these changes in temp Read More
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13 Votes Vote

NASA begins sixth year of airborne Antarctic ice change study

Posted by External 3 days ago General — NASA is carrying out its sixth consecutive year of Operation IceBridge research flights over Antarctica to study changes in the continent's ice sheet, glaciers and sea ice. This year's airborne campaign, which began its first flight Thursday morning, will revisit a section of the Antarctic ice sheet that recently was found to be in irreversible decline. Read More
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12 Votes Vote

How did Icebergs reach Florida in the last Ice Age?

Posted by External 8 days ago General — Using a first-of-its-kind, high-resolution numerical model to describe ocean circulation during the last ice age about 21,000 year ago, oceanographer Alan Condron of the University of Massachusetts Amherst has shown that icebergs and meltwater from the North American ice sheet would have regularly reached South Carolina and even southern Florida. The models are supported by the discovery of icebe Read More
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5 Votes Vote

'Biggest Risk' in Ebola Protection Is Gear Removal

Posted by External 8 days ago General — A "breach in protocol" led a nurse in Dallas to become the first person infected with Ebola in the U.S., according to the Centers for Disease Control and Prevention. Read More
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9 Votes Vote

Why Asia's Glaciers Are Mysteriously Expanding, Not Melting

Posted by External 9 days ago General — Glaciers in the mountainous Karakoram region of Asia are stable or expanding, even as glaciers in most of the rest of the world are melting. Now, new research reveals the geography and weather patterns behind this mystery. Read More
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7 Votes Vote

Icebergs Sailed to Florida on Ice Age Floods

Posted by External 9 days ago General — Iceberg marks found offshore Florida suggest future ice sheet melting may be more complex that previously thought. Read More
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13 Votes Vote

Gassy Blob: Biggest US Methane Source Spotted from Space

Posted by External 12 days ago General — So much methane is leaking from drilling in the Southwest's Four Corners region that the natural gas blob can be spotted from space, a new study reports. Read More
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Antarctic sea ice reaches new record maximum

Posted by External 13 days ago General — Sea ice surrounding Antarctica reached a new record high extent this year, covering more of the southern oceans than it has since scientists began a long-term satellite record to map the extent in the late 1970s. Read More
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