WASHED OUT Detergents with bleach or bleach alternatives can take out chunks of antibacterial silver nanoparticles in addition to tough stains.
MELTDOWN Antarctica’s Venable Ice Shelf, shown, is on track to disappear within a century, new research shows.
JPL-Caltech/NASA, UC Irvine
BAD AIR Reactive molecules in air pollution, including from car exhaust, may thwart immune responses in babies’ lungs. The immune response possibly explains how bad air spurs severe infections and chronic asthma.