The defending champion and favorite remains the chicken wing. But underdog snacks like the carrot are trying to elbow their way into the competition.
Leif Parsons for NPR; Source: whologwhy/Flickr
Harvard University student Elana Simon introduces President Obama before he spoke at the White House Friday about an initiative to encourage research into more precise medicine.
Mandel Ngan/AFP/Getty Images
Augustine Goba (right) heads the laboratory at Kenema Government Hospital in Sierra Leone. He and colleagues analyzed the viral genetics in blood samples from 78 Ebola patients early in the epidemic.