Evolution
Tiger Trade Crackdown Boosts Lion Bone Sales
Conservationists stress the need to address not just supply but also demand for wildlife products
Stories by Boer Deng
Health
Genetic Mutation Found to Block Prion Disease in Tribe That Used to Practice Ritual Cannibalism
An unknown mechanism helped some people in Papua New Guinea escape a historic, deadly outbreak
Health
Vaccines Developed to Fight Foodborne Illness
Efforts aim to supplement common-sense measures to lessen the health and economic toll of illnesses caused by bacteria, viruses and parasites in food
The Sciences
Mistrust and Meddling Unsettles U.S. Science Agency
The National Science Foundation is under pressure from lawmakers to revise its research agenda
Tech
Robot Rescuers Battle It Out
Nimble bots are going head-to-head for a $2-million DARPA prize
Mind
Marijuana Flips Appetite Switch in Brain
Sudden attacks of the munchies are triggered by a change in the hormone released by neurons
Tech
New Lightweight Steel Could Improve Cars' Fuel Efficiency
The material bests titanium alloys for its strength and ductility
The Sciences
Obama's Budget Seeks Big Boost for Science
The White House plan would increase research and development funding but faces a rough road in Congress
The Sciences
Hidden Hurdle Looms for Women in Science
Women shy away from fields in which talent, not hard work, is thought to be key, a survey suggests
