Apple iOS 8 arrives Wednesday, replacing iOS 7

IPhone and iPad enthusiasts, contain yourselves: iOS 8 is ready for download Wednesday.

Apple will release the next iteration of the operating system for the iPhone 4S or newer, the iPad 2 or newer, the iPad Mini, the iPad Air and the iPod Touch ...

Optogenetics has 'completely changed neuroscience'

PHILADELPHIA -- It's getting harder to find the line between science and science fiction.

One of the hot research techniques these days, "optogenetics," uses gene therapy to deliver light-sensitive proteins to specific cells. Then researchers use...