from the one-proton-and-one-electron dept.
BraveHeart writes "Researchers have long known that mammals, including humans, lack a key enzyme — one possessed by most of the animal kingdom and even plants — that reverses severe sun damage. For the first time, researchers have witnessed how this enzyme works at the atomic level to repair sun-damaged DNA. 'Normal sunscreen lotions convert UV light to heat, or reflect it away from our skin. A sunscreen containing photolyase could potentially heal some of the damage from UV rays that get through.'"
You know, Callahan's is a peaceable bar, but if you ask that dog what his
favorite formatter is, and he says "roff! roff!", well, I'll just have to...