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Tag: David T. Johnston
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Nation & World
Five win Sloan Research Fellowships
Five Harvard faculty members are among the 126 scholars selected to receive Sloan Research Fellowships from the Alfred P. Sloan Foundation.
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Nation & World
Signs of ‘snowball Earth’
Researchers find strong clues that sea ice covered tropical climes, including the equator, 716.5 million years ago, suggesting there was a time of a “snowball Earth.”
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Nation & World
Scientists find signs of ‘snowball Earth’
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 of occurring around that time.