This quick TED talk entry is courtesy of TED.com. Each of our bodies is utterly unique, which is a lovely thought until it comes to treating an illness — when every body reacts differently, often unpredictably, to standard treatment. Tissue engineer Nina Tandon talks about a possible solution: Using pluripotent stem cells to make personalized models of organs on which to test new drugs and treatments, and storing them on computer chips. (Call it extremely personalized medicine.)