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The root of America’s health crisis is bad habits formed in childhood. To protect children from harm, parents are keeping kids indoors, where they get sick, watch TV and form lifelong habits of screen ...

Most modern technology, including smartphones, runs on GPS. But the system might be more vulnerable to failures than you think. The U.S. lacks backup geolocation technology, meaning outages or ...

Jenea Phillips says that two years ago, she received a text from her daughter that her school was in lockdown when a student brought a gun onto campus. Her daughter grabbed a pair of scissors to use ...

Two phone companies recently added a global positioning feature to cell phones, which allows friends to locate each other with a push of a button, to the pleasure of protective parents but the chagrin ...

GPS is a radio navigation system that uses radio waves between satellites and a receiver inside your phone to provide location and time information to any software that needs to use it. To use GPS on ...