In a small U.K. village, the locals hold a smoking vigil as smoking bans catch fire around the world. Are they working? And what about the United States?
Gene sequencing could help make more energy-efficient biofuels practical.
Farecast claims to offer cheap tickets based on science, not marketing.
As the banana falls to a devastating fungus, Ugandan scientists launch tests on genetically modified varieties to save a food staple of 500 million people.