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Science 1 January 1999:
Vol. 283. no. 5398, pp. 13 - 14
DOI: 10.1126/science.283.5398.13b
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News of the Week

ASTROPHYSICS:
Has a Dark Particle Come to Light?

James Glanz

PARIS--A strange new particle may have left its mark in a detector deep in a mountain in central Italy. Reclusive and ponderous, with many times the mass of the proton, such particles, called WIMPs (for weakly interacting massive particles), could account for some or all of the mysterious dark matter that astronomers believe far outweighs the galaxy's glowing stars and gas clouds. But for now the claim, announced here on 16 December at a gathering called--despite the location--the Texas Symposium on Relativistic Astrophysics and Cosmology, faces plenty of skepticism.

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