PhysicsPhysicists hunt for disappearing Da Vinci A Da Vinci drawing, believed to be a self-portrait, has been intimately explored to find out how to save it – and nothing but light touched it in the process Regulars
LifeEbola vaccine for chimps works but may never be used Chimpanzees threatened by an Ebola outbreak could be protected by a new vaccine, but cuts in chimp research may stymie its development News