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Physicists find new clue in coronal heating mystery（图）
Physicists new clue coronal heating mystery
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2011/1/21
The corona, the vast gossamer atmosphere of plasma visible from Earth during a total solar eclipse, can notch up temperatures in excess of one million degrees Kelvin (MK). Several rival explanations h...
Study Adds New Clue to How Last Ice Age Ended（图）
Study New Clue Ice Age
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2010/9/21
As the last ice age was ending, about 13,000 years ago, a final blast of cold hit Europe, and for a thousand years or more, it felt like the ice age had returned. But oddly, despite bitter cold winter...