Manic, sad, up, down. Your voice may reveal mood shifts. iStockphoto hide caption
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Saturday
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
Parenting In The Age Of Apps: Is That iPad Help Or Harm?
Wednesday
Friday
Matchmaking apps like Tinder can help people find potential dates quickly. Tinder hide caption
Wednesday
He's not checking your blood glucose levels. He's playing Words with Friends. Anna Zielinska/iStockphoto.com hide caption
Tuesday
Simply plug the Scentee device into your iPhone jack and let the scent of grilled meat waft your way. YouTube hide caption
Wednesday
Free and findable thanks to this app. New York City Health Department hide caption
Wednesday
Popular online games like FarmVille use powerful reward systems to get players to spend real-world money on virtual items. Zynga/AP hide caption
Tuesday
How many calories in that bite? My Fitness Pal and other fitness and nutrition apps can help find the answer. Heather Rousseau/NPR hide caption
Monday
Drinks columnist David Wondrich is seen on Esquire's new Talk to Esquire app, which allows users to interact with several of the magazine's columnists through voice recognition. Screengrab via YouTube hide caption
Wednesday
University of Washington computer science student Laura McFarlane and her team work on their smartphone app aimed at helping girls being illegally trafficked get help. Sara Lerner/NPR hide caption