The boy couldn't have been older than six or seven. Brown hair with a streak of bright orange. It was 2003, and Geoffrey Ling, a young Army doctor, was looking down at a new patient who'd arrived ...

A few dozen people who were given brain implants that delivered targeted shocks to their mind's memory center scored better on memory tests, DARPA announced at a conference in St. Louis last week.

There are already some examples of these kinds of futuristic breakthroughs in action, like brain implants controlling prosthetic arms. Just last week DARPA demonstrated this amazing tech for the ...