News
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Alzheimer’s clues from thin brains
Children and teens who possess a gene variant linked to Alzheimer's disease have substantially thinner neural tissue in a key brain structure than their peers do.
By Bruce Bower -
Health & MedicineSlimming on oolong
Rats absorb less dietary fat and gain less weight when their diets contain lots of oolong tea.
By Janet Raloff -
EarthEmissions tied to global warming are on the rise
The United States emitted nearly 1 percent more greenhouse gases in 2005 than it did in the year before.
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Health & MedicineEmbryos, please
Almost half of Spanish couples who were asked recently to donate excess embryos for stem cell research did so.