Traumatic brain injuries affect as many as 20 percent of warfighters returning from Iraq and Afghanistan. Now the Pentagon's whiz kids at DARPA have turned to optogenetic brain implants that use light pulses to control brain cells, and hopefully reroute brain activity, Wired's Danger Room reports.
War veterans suffering from post-traumatic stress disorder have found unexpected relief from the banned drug MDMA, known more commonly as ecstasy. The psychedelic drug typically associated with hard-partying clubbers appears to cure PTSD entirely in some cases, Scientific American reports.
Artificial limbs have advanced quite a bit since the days of the pirate peg leg, but not nearly enough for DARPA. The Pentagon agency has kicked off a new phase of its "Revolutionizing Prosthetics" program that sets the hefty goal of creating a fully-functional human limb directly controlled by the brain within five years, according to Wired's Danger Room.