Stem-cell researcher Carolina Florian didn’t trust what she was seeing. Her elderly laboratory mice were starting to look younger. They were more sprightly and their coats were sleeker. Yet all she ...

Symptoms such as fatigue, loss of appetite, altered sleep, and social withdrawal are often treated as inconvenient side ...

Science often begins with curiosity. I was originally studying how the gut microbiota communicates with the immune system, and how these interactions contribute to health or disease. Working with ...