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For some birds, Mr. Wrong can be alright
What looks like the ultimate bad choice in romance—a mate from a different species—in some conditions may not be so dumb after all.
By Susan Milius -
AstronomyHave scientists seen planets in the making?
Astronomers may finally have glimpsed a key step in the construction of a planet.
By Ron Cowen -
EarthEven low lead in kids has a high IQ cost
Lead can damage a young child's ability to learn and reason at exposures far lower than the limit deemed acceptable by the U.S. government.
By Janet Raloff -
PhysicsNew probe reveals unfamiliar inner proton
Researchers taking one of the closest looks yet into the intact proton have found an unexpectedly complex interior electromagnetic environment.