VANCOUVER, British Columbia — Physicists stunned the world last year by announcing they’d seen signs that particles called neutrinos were traveling faster than light — a feat thought to be proven impossible by Einstein. Ever since, other researchers have been racing to try the experiment on their own to see if the findings hold up.

Some results of these tests should be announced this spring, scientists said Friday (Feb. 17) here at the annual meeting of the American Association for the Advancement of Science.

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