Monday, June 18, 2001

Neutrinos Have Mass

Solving a 30-year-old scientific mystery, physicists have found the most convincing evidence yet that neutrinos - elusive subatomic particles that were thought to have no mass whatsoever - have a tiny wisp of heft after all.
http://dailynews.yahoo.com/h/ap/20010618/sc/solar_mystery_1.html

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