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HumansFellowships awarded to Science News writers
Two Science News writers recently received prestigious fellowships.
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Eggs and more grown from mouse stem cells
Stem cells from mouse embryos can be converted into eggs, skin, or heart muscle.
By John Travis -
EarthVermiculite turns toxic
Federal agencies issued a warning that much of the vermiculite ceiling insulation installed a decade or more ago may be tainted with cancer-causing asbestos.
By Janet Raloff -
EarthTo contain gene-altered crops, nip them in the seed
Researchers have demonstrated that, in principle, they can add genes that block genetically modified crops from breeding with conventional varieties and thus from spreading their artificial traits.