In a packed San Francisco conference room last Tuesday, upbeat company representatives and scientists presented detailed clinical trial data on the first Alzheimer’s treatment shown to clearly, albeit modestly, slow the disease’s normal cognitive decline. The antibody therapy has...

A new vaccine against malaria has shown promising preliminary results in a large trial in four African countries, boosting hopes that an additional tool may soon be available to help control the deadly disease. www.science.org/content/article/new-data-buoys-hopes-promising-malaria-vaccine-questions-remain The vaccine, named R21/Matrix-M and...