Hummingbirds Tracked During U.S. Southwest's "Second Spring" [Slide Show]
Monitoring hummingbird populations during the peak of fall migration in the Chiricahua Mountains helps scientists foresee how these primary pollinators of more than 150 U.S. flowering plant species respond to changes in climate
Farming the Future: GM Crops Recommended as Key Part of Obama's "Evergreen Revolution"
A former Agriculture Department chief scientist weighs in on President Obama's U.S-India plan, arguing that biotechnology is crucial to the growth of food productivity and security that is necessary to feed a surging global population
Early Humans Used Brain Power, Innovation and Teamwork to Dominate the Planet
Scholars gathered to discuss how a unique combination of human traits helped our species survive to colonize the globe
Cross-discipline Effort Tracks Evolution of Human Uniqueness and Modern Behavior
A panel of scientists challenges what it is to be distinctly human and retraces the evolutionary steps that bipedal apes made to attain human traits