GOP presidential candidate Mitt Romney's choice of Rep. Paul Ryan of Wisconsin as his running mate may help energize support from conservative voters who like his tough approach to overhauling the federal budget.
But there's a risk that Ryan may turn off an important voting bloc: senior citizens.
Hundreds gathered in Flint, Mich., Tuesday, to celebrate the return home of Olympian Claressa Shields. At 17, Shields became the first U.S. woman ever — and the only American this summer — to win a gold medal in boxing.
In a rare moment of joy, Flint greeted the high school student with a marching band and a motorcycle escort.
The current radar-based air traffic control system (shown here) will eventually be replaced with a new system called NextGen, which will rely on GPS. A number of computer security experts are concerned that NextGen is insecure and vulnerable to hackers.
Credit John Moore / Getty Images
Brad "RenderMan" Haines was able to spoof the signals used in the NextGen system and create fake planes in the sky.
It's been a record hot summer in many cities across the nation. Phoenix is no exception. This Sonoran Desert metropolis already records more days over 100 degrees than any other major U.S. city. Now, climate models predict Phoenix will soon get even hotter.
A hotter future may mean a more volatile environment — and along with it, natural disasters, greater pressure on infrastructure, and an increased physical toll on city residents.