Stem Cell Transplants Can Treat MS

A new clinical trial indicates that stem cell transplants can prevent the progression of MS. The transplants also helped to improve the symptoms of patients.

Who Will Get the Zika Vaccine?

People’s willingness to use a Zika vaccine when it’s available will be influenced by how they weigh the risks associated with the disease and the vaccine—but also by their misconceptions about vaccines for other diseases, researchers say.

Caught on Film: Mutating DNA

Until now, biologists have only had crude methods for estimating the average rates and effects of mutations. But in a new study, biophysicists have documented individual mutations as they happen in bacterial cells.