David Dinges of the School of Medicine says additional sleep on the weekend helps one recover from sleep lost during the week.
Health & Medicine
Lawrence Holzman of the School of Medicine discusses a study on kidney disease among African-Americans.
Jeffrey Weiser of the School of Medicine says there is such a thing as good bacteria.
Kathryn Schmitz of the School of Medicine discusses the benefits of resistance training.
PHILADELPHIA –- Bioengineers at the University of Pennsylvania have created a system to control the flexibility of the substrate surfaces on which cells are grown without changing the surface properties, providing a technique for more controlled lab experiments on cellular mechanobiology, an important step in the scientific effort to understand how cells sense and respond to mechanical forces in their environment.