PCORI Executive Director Joe Selby says grants to medical societies are needed to get through to busy professionals who "may not answer our phone calls." Stephen Elliot/Courtesy of PCORI hide caption

itoggle caption Stephen Elliot/Courtesy of PCORI

Parents of children who are extremely finicky may find it useful to seek help, psychologists say, because some kids won't outgrow the behavior on their own. But don't make the table a battlefield. Chad Springer/Corbis hide caption

itoggle caption Chad Springer/Corbis

Not only did the family trade their urban life for one in a beautiful valley surrounded by mountains and trees, but they also earn $300,000 a year. Ari Shapiro/NPR hide caption

itoggle caption Ari Shapiro/NPR

The sea snail Conus magus looks harmless enough, but it packs a venomous punch that lets it paralyze and eat fish. A peptide modeled on the venom is a powerful painkiller, though sneaking it past the blood-brain barrier has proved hard. Courtesy of Jeanette Johnson and Scott Johnson hide caption

itoggle caption Courtesy of Jeanette Johnson and Scott Johnson

Grace Jerry performs her original single "E Go Happen" at a gathering of young African leaders at Monticello, Thomas Jefferson's home. The lyrics say: "Yes we can, sure we can change the world." YouTube hide caption

itoggle caption YouTube

Researcher John Clements in the early 1980s, after he figured out that lungs need surfactants to breathe. David Powers/Courtesy of UCSF hide caption

itoggle caption David Powers/Courtesy of UCSF

A woman receives the rVSV-ZEBOV Ebola vaccine at a clinical trial in Conakry, Guinea. The vaccine appears effective after only one shot. Cellou Binani/AFP/Getty Images hide caption

itoggle caption Cellou Binani/AFP/Getty Images

Using a digital device that displays Braille characters, Haben Girma talks with President Obama at a White House ceremony marking the 25th anniversary of the Americans with Disabilities Act. White House photo/Courtesy of Haben Girma hide caption

itoggle caption White House photo/Courtesy of Haben Girma