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Science 24 August 2001:
Vol. 293. no. 5534, pp. 1410 - 1411
DOI: 10.1126/science.293.5534.1410b
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News of the Week

COSMOLOGY:
Changing Constants Cause Controversy

Charles Seife

The times, they are a-changin', and so are the fundamental constants of physics, an international group of physicists reports. After analyzing light from distant quasars, the team has concluded that the fine-structure constant, which is related to the speed of light, has shifted over time. The claim is extremely controversial, but scientists are taking it seriously--if skeptically.

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