ROCK OF AGES A stone tool pokes out of sediment where it was recovered at Greece’s Kokkinopilos site. Also shown in the inset, this artifact comes from soil that dates to about 206,000 years ago, a new study finds.
FRONT LINE New U.S. policies take aim at microbes that have become resistant to antibiotics, such as methicillin-resistant Staphylococcus aureus, shown here.
MOST WANTED A common coral trout stalking a small fish dinner is one of several prized Plectropomus species responding well to Australia’s much-debated system of no-take reserves within Great Barrier Reef Marine Park.
Simon Head argues that computer business systems leave middle managers and workers with little creative latitude. They acquire fewer skills and their wages stagnate, hurting their job quality and buying power.