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TechLaser Landmark: Silicon device spans technology gap
By coaxing a silicon microstructure into acting as a laser, engineers have achieved a long-sought and important step toward microchips capable of simultaneously manipulating electrons and light.
By Peter Weiss -
EarthLemon-scented products spawn pollutants
Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.
By Janet Raloff -
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Along with everyone else, I’ve been fired up by the amazing discovery of Homo floresiensis. Clearly, our preconceptions about brain size and intelligence, reasonably achieved by the evidence we had, must now be discarded. Oriole Parker-RhodesAnglesey, Wales
By Science News -
AnthropologyEvolutionary Shrinkage: Stone Age Homo find offers small surprise
Scientists announced the discovery of the partial skeleton of a small-bodied Homo species that inhabited an eastern Indonesian island from at least 38,000 years ago until about 18,000 years ago.