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"Snowball Earth" and Global Glaciation 716.5 Million Years Ago
"Snowball Earth" and Global Glaciation 716.5 Million Years Ago
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"Snowball Earth" and Global Glaciation 716.5 Million Years Ago
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05-22-2010, 02:30 PM
Post: #1
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"Snowball Earth" and Global Glaciation 716.5 Million Years Ago
geology.com
Excerpt: March 2010 Sea Ice to the Equator Geologists have found evidence that sea ice extended to the equator 716.5 million years ago, bringing new precision to a "snowball Earth" event long suspected to have taken place around that time. Funded by the National Science Foundation (NSF) and led by scientists at Harvard University, the team reports on its work in the journal Science. LINK It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies. –William O. Douglas, U.S. Supreme Court Justice, 1952 |
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