University of Maryland's Jaydev Desai shows off a prototype of a robot that he and colleagues are developing to minimize harm to patients during brain surgery. John T. Consoli/University of Maryland hide caption

toggle caption John T. Consoli/University of Maryland
Goddard Space Flight Center Scientific Visualization Studio/NASA

A Costa Rican banana worker carries a stalk of freshly harvested fruit on a plantation in Costa Rica, where many of the bananas that Americans eat are grown. Kent Gilbert/AP hide caption

toggle caption Kent Gilbert/AP

Camel jockeys compete at a festival on the outskirts of Saudi Arabia's capital Riyadh, a focal point for the Middle East respiratory syndrome virus. Fayez Nureldine/AFP/Getty Images hide caption

toggle caption Fayez Nureldine/AFP/Getty Images

Football fans ate fattier meals the day after their teams lost a game, a study found. hide caption

toggle caption

Genetically modified to be enriched with beta-carotene, golden rice grains (left) are a deep yellow. At right, white rice grains. Isagani Serrano/International Rice Research Institute hide caption

toggle caption Isagani Serrano/International Rice Research Institute

The greenish-yellow tips on this human chromosome (No. 16) are telomeres. Terry Allen/Corbis hide caption

toggle caption Terry Allen/Corbis

A blue whale (and human diver) swimming off the coast of Trincomalee, Sri Lanka, in April 2011. Amos Nachoun/Barcroft Media/Landov hide caption

toggle caption Amos Nachoun/Barcroft Media/Landov

NPR thanks our sponsors

Become an NPR sponsor