Let's call this the bleeding edge of mobile healthcare. Researchers in the Netherlands are "working on body area networking to monitor vital signs, control drug delivery according to need and otherwise progress toward bionic man and woman and care of the disabled and elderly," writes Dr. Peter Harrop, chairman, of British biotech conference promoter IDTechEx. "Unfortunately cutting into your body to change batteries brings with it a significant percentage of mortalities, not just pain and infection." Uh, yeah. Fortunately, others are working on ways to "harvest" energy from the body without incisions to power implantable sensors. They'll be displaying their wares at several conferences in the U.S. and Europe later this year. Press release