On-demand delivery apps like Purple, which promises a full tank of gas in an hour, are proliferating in the tech market. Jun Tsuboike/NPR hide caption
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Wednesday
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Smart phones contain a silicon chip inside the camera that might be used to detect rare, high energy particles from outer space. J. Yang/Courtesy of WIPAC hide caption
Want To Do A Little Astrophysics? This App Detects Cosmic Rays
Thursday
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The UASK app helps sexually assaulted college students in D.C. access a range of services, from rides to the hospital to phone numbers for counselors. The information is personalized to their school. Another version of the app, ASK, provides the same resources to non-students. Emily Jan/NPR hide caption
App Links Sex Assault Survivors To Help, But Who Downloads It?
Tuesday
Sgt. Mark Miranda, a public affairs specialist at Joint Base Lewis-McChord in Washington state, demonstrates the use of a program in July 2011 that was designed to help calm symptoms of post-traumatic stress and traumatic brain injury. A new class of apps is offering more sophisticated mental health help to struggling teens, including emergency, 24/7 connection to counselors. Ted S. Warren/AP hide caption
Thursday
Google Maps scored an A on PrivacyGrade.org. Meredith Rizzo/NPR hide caption
Friday
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
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