A step toward a new sunscreen?

SAN ANTONIO, Texas, U.S.A. — Scientists at The University of Texas Health Science Center San Antonio are on to something that should bring joy to sunbathers everywhere. Studies show that certain plant substances, administered in combination…

Misbehaving molecules in ALS

A new study reveals for the first time how gene mutations lead to the inherited form of amyotrophic lateral sclerosis (ALS), or Lou Gehrig’s disease. The study suggests that the two most prominent theories of how familial ALS (FALS) and other related diseases develop are both right in part.