Students at Frederick Douglass Academy in New York City use flight simulators as part of an aeronautics class, with some kids eventually logging flight time in real planes.
Apps on the new platform allow iPhone users to enroll in clinical trials on heart health, Parkinson's, or asthma. But critics say the smartphone-driven studies have flaws.
Is it possible to keep our personal information secure in the digital age?
Test which building materials will be resistant to mold after a flood or hurricane.