Examples of what the iPhone app looks for: The white reflection from an otherwise dark pupil can indicate a tumor, a cataract or other eye problems. Claire Eggers/NPR hide caption
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Friday
Thursday
Confused about all the different sustainability ratings out there? The simplest option may be to shop at your local farmer's market. iStockphoto hide caption
Friday
A view of the rewards screen on the Mango Health app. Meredith Rizzo/NPR hide caption
Tuesday
Teachers are incorporating mobile technology and a digital sensibility into classroom lessons with assignments such as this one: to caption a historical photograph for teacher Nicholas Ferroni's high school history class in Union, N.J. Courtesy of Nicholas Ferroni hide caption
Will Davidson and his Minecraft creation, modeled off the Santa Cruz Mission Steve Henn hide caption
Minecraft's Business Model: A Video Game That Leaves You Alone
Friday
He's working; really, he is. iStockphoto hide caption
Tuesday
Tuesday
Lively is a sensor that can be attached to a pill box, keys or doors. It lets people know whether aging parents are taking their medicines or sticking to their routines. Courtesy of Lively hide caption
Will This Tech Tool Help Manage Older People's Health? Ask Dad
Saturday
Manic, sad, up, down. Your voice may reveal mood shifts. iStockphoto hide caption
Phone App Might Predict Manic Episodes In Bipolar Disorder
Wednesday
After a tornado leveled Moore, Okla., last year, firefighter Shonn Neidel (left) developed an app that helps first responders locate storm shelters under the wreckage. Courtesy of Shonn Neidel hide caption
Storm Shelter App Helps Pinpoint People Amid Tornado's Rubble
Tuesday
That lovely weather may be more motivating than the smartphone app. Ferran Traité Soler/iStockphoto hide caption
Friday
You've been there, and you know it doesn't feel good. But an app based on the science of circadian rhythms could help reduce the suffering of jet lag. iStockphoto hide caption
Wednesday
The ReliefLink app is a mood-tracking tool intended to help people who are contemplating suicide. Courtesy of Emory University hide caption
Sunday
With tablet technology still relatively new, pediatricians are trying to understand how interactive media affects children. iStockphoto hide caption