Movies like Eternal Sunshine of the Spotless Mind and Inception suggest it may eventually be possible to erase, modify, or even implant memories into your brain. An upcoming episode of NOVA introduces viewers to this futuristic possibility and the scientists who are trying to make it happen.
With all these new brain scanners on the market, it's becoming increasingly important for manufacturers to make sure they're safe.
We all act like being mind-wiped and reprogrammed is such a bad thing — but is it always? Sometimes having your personality or identity scrubbed away like so much grout scum is just a great way to make room for new stuff. Like killer ninja skills. Or superpowers.