Death by light: Nanoparticles as agents for the photodynamic killing of antibiotic-resistant bacteria
(PhysOrg.com) -- The increasing antibiotic resistance of bacteria is a serious problem of our time. Hospital germs in particular have developed strains against which practically every current antibiotic is ineffective. In ...
Scientists discover key factor in regulating placenta and fetal growth
UK scientists have shown that a common biological protein molecule called SHP-2 is crucial for encouraging placenta growth. The research is published today in Endocrinology.
Ozone: Climate change boosts ultraviolet risk for high latitudes
(PhysOrg.com) -- Physicists at the University of Toronto have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet (UV) radiation in northern high ...
Dancing 'adatoms' help chemists understand how water molecules split
Single oxygen atoms dancing on a metal oxide slab, glowing brighter here and dimmer there, have helped chemists better understand how water splits into oxygen and hydrogen. In the process, the scientists have visualized a ...
Sunlight turns carbon dioxide to methane
Dual catalysts may be the key to efficiently turning carbon dioxide and water vapor into methane and other hydrocarbons using titania nanotubes and solar power, according to Penn State researchers.