News
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EarthAlgae Turn Fish into a Lethal Lunch
Scientists demonstrated that some marine mammals have died from eating fish tainted with a neurotoxic diatom.
By Janet Raloff -
EarthMost oil enters sea from nonaccidents
Nearly all of the oil entering the marine environment traces not to accidents but to natural seeps and human activities where releases are intentional.
By Janet Raloff -
PhysicsMatter waves: Be fruitful and multiply
For the first time, physicists induced atoms to amplify a selected matter wave in a manner analogous to a cascade of photons amplifying the characteristic electromagnetic wave of an optical laser.
By Peter Weiss -
Materials ScienceImpurity clouds from all sides now
For the first time, scientists have obtained detailed, three-dimensional images of line defects in steel.