Abstract: Use of unmanned aerial vehicles (UAVs) for urban services has been an exciting topic in today's urban planning and management research. Most UAVs use unlicensed spectrum for remote control ...

A Chick-fil-A cashier made a little boy who’s deaf feel seen — with one simple gesture. When 4-year-old Luca Silva of Northridge, California, was practicing ordering his own food, his mom, Callie ...