Physicists have a stock phrase they trot out whenever someone claims to have made an astounding new discovery about the universe. "Important," they say, "if true.
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It's a tactful way of saying "Don't bet on it," and they've been saying it a lot over the past day or so. The reason: a team of European scientists has reportedly clocked a flock of subatomic particles called neutrinos moving at just a shade over the speed of light. According to Albert Einstein's special theory of relativity, that can't be, since light, which cruises along at about 186,000 miles per second (299,000 km/sec.), is the only thing that can go that fast.
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