News tagged with eons

Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen gas started ...

dateSep 02, 2013 in Astronomy
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Snails have a thing for sexy stems

In the marshlands of the southeast United States, the periwinkle snail is among the most abundant grazing species. "You can look out at high tide and see them everywhere, climbing up on the grasses," said Randall Hughes, ...

dateAug 15, 2013 in Plants & Animals
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