Joe's Big IdeaJoe's Big Idea is a new project by NPR Science Correspondent Joe Palca that examines where scientists' big ideas come from, how they pursue those ideas and how something goes from an idea to a discovery.
Elizabeth, Samuel, Bryan and Noah Shaw amid Texas bluebonnets on Easter Sunday. Samuel was conceived with in vitro fertilization so he would not suffer from the hereditary cancer that afflicted Noah.
Courtesy of Elizabeth Shaw
Neonatal nurse Florence Mwenifumbo monitors a newborn receiving bubble CPAP treatment in Blantyre, Malawi. The device was developed by students at Rice University in Houston.
Rice 360/Rice University
Dee Faught tests a robotic arm installed on his wheelchair in September. Commercially produced robotic arms can cost tens of thousands of dollars, but three Rice engineering students built one for Dee for about $800.
Eric Kayne for NPR