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Science 21 November 2008:
Vol. 322. no. 5905, p. 1173
DOI: 10.1126/science.322.5905.1173
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News of the Week

ASTROPARTICLE PHYSICS:
Excess Particles From Space May Hint at Dark Matter

Adrian Cho

An unexpected abundance of high-energy electrons from space could be evidence of particles of dark matter--the weighty and mysterious stuff whose gravity holds the galaxies together. But if the sightings really do point to dark matter, then physicists may have to revise their ideas about what the stuff is.

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