Artist's composite of the Kepler spacecraft. /Illustration: NASA
Consulting Professor Scott Hubbard helped guide the Kepler mission when he served as director of NASA Ames Research Center. He explains how NASA might bring the planet-hunting spacecraft back online.
African clawed frog / Photo: Brian Gatwicke
The African clawed frog, which were brought to the U.S. a century ago, harbor a fungal infection that is decimating amphibian populations worldwide, according to a School of Medicine study of these frogs in California.
Stand-up comedian Olivia Harewood at TEDx. / Photo: Tamer Shabani
TEDxStanford featured awe-inspiring ideas and displays of creativity. Among them: a presentation about a solar house that "teaches" its inhabitants and a hip-hop dance that smashes Asian stereotypes and a talk about Stanford's model football program.  Slideshow
Small skin-like heart monitor.
Engineers combine layers of flexible materials into pressure sensors to create a wearable heart monitor thinner than a dollar bill. The skin-like device could one day provide doctors with a safer way to check the condition of a patient's heart.