News in Brief
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EnvironmentStillbirth rates tied to lead in drinking water
Fetal death rates rose in Washington, D.C., in parallel with two recent spikes in drinking water’s lead levels.
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Particle PhysicsElectrons’ roundness frustrates researchers
Experiment finds no signs of asymmetry, which would point to undiscovered particles.
By Andrew Grant -
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LifeNeandertal genes point to interbreeding, inbreeding
DNA from 50,000 years ago underscores modest levels of mating across hominid populations.
By Bruce Bower -