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Science Signaling - Call For Papers

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Science 21 April 2006:
Vol. 312. no. 5772, p. 348
DOI: 10.1126/science.312.5772.348
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News of the Week

COSMOLOGY:
Skewed Starlight Suggests Particle Masses Changed Over Eons

Adrian Cho

New measurements suggest that the ratio of the proton's mass to the electron's mass has increased by 0.002% over 12 billion years, a team of astronomers and physicists reports. If so, the ratio and other fundamental "constants" of nature may not be constant after all. (Read more.)

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