New research has uncovered a social world full of cheating, cooperation, and other intrigues, suggesting that viruses make sense only as members of a community.
A trial vaccine has succeeded in generating low levels of antibodies needed to target HIV. It's a first but much-needed step toward preventing infection.
Users receiving weekly injections saw their weight fall, plateau, and stabilize over the course of a four-year trial--but it's still unclear how long these effects last after stopping taking the drug.
The preliminary results of a clinical trial of using heat exposure to combat depression are in--and are fueling cautious optimism that sauna practice could become an accepted treatment.
Loaded with ever more renewables, the grid will need to store a whole lot of energy. Enter: a new kind of magic school bus--one that can both charge and give power back.