Sunscreen with Zinc Oxide May Become Toxic with Sunlight
Razi Berry Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to a collaboration that included Oregon State University scientists. The toxicity analysis involved zebrafish, which share a remarkable similarity to humans at the molecular, genetic and cellular levels, […]
Bionic Prosthetics May Be Right Around the Corner
Razi Berry The 60-year-old retired truck driver from Salt Lake County, Utah, lost his left leg to vascular disease from type 2 diabetes. But last year, he was one of 10 human subjects at the University of Utah to test one of the world’s first truly bionic legs, a self-powered prosthetic limb with a computer […]