Author: Doyle Rice, USA TODAY

Trapped inside their bodies, stroke patients may be able to think – but not speak. But now, a prototype of a new device could one day literally give avoice to the voiceless.

Though California cities have the nation’s worst air quality, as usual, a new report finds that smog and soot pollution is increasing in other U.S. cities as well.

The first “Marsquake” has been detected. The finding”officially kicks off a new field: Martian seismology!,” said Bruce Banerdt of NASA.

Due in part to rising temperatures from human-caused climate change,the gap between the world’s poorest and richest people has increased in the past half-century.