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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 ...

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 ...

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 ...