News tagged with fossil evidence

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Tracking viruses back in time

How long have viruses been around? No one knows. Scientists at Portland State University have begun taking the first steps toward answering this question.

dateSep 06, 2010 in Earth Sciences
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Team explains how dinosaurs rose to prominence

A shade more than 200 million years ago, the Earth looked far different than it does today. Most land on the planet was consolidated into one continent called Pangea. There was no Atlantic Ocean, and the rulers of the animal ...

dateMar 22, 2010 in Earth Sciences
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