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Science 20 January 2006:
Vol. 311. no. 5759, p. 316
DOI: 10.1126/science.311.5759.316
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News of the Week

COSMOLOGY:
Astronomers Push and Pull Over Dark Energy's Role in Cosmos

Robert Irion

WASHINGTON, D.C.--The claim was a headline writer's dream: Dark energy, a hidden force that is blowing the universe apart, had varied dramatically over time and at one point even reversed direction. But most researchers are saying, "Not so fast." (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)