Ultrasound Can Give You Memories of Learning Things in College

Want to remember doing something, like attending 400 lectures on molecular cell biology, without ever actually having to do it? A special kind of ultrasound can trigger neurons in your gray matter, and the team of Arizona State neuroscientists who discovered this immediately played the Total Recall » 10/31/08 8:00am 10/31/08 8:00am card. They're…