While that might sound like the reality of some far-fetched, far-away future, IBM expects these bots to be "widely available" in the next few years. At some point, these Dr. Watson's will replace four out of five doctor's, predicts one Silicon Valley venture capitalist. Of course, that's the rosy view of things. Due to legitimate concerns about robots making life or death decisions, as well as a notoriously slow-to-adapt to technology health-care system, it might take a bit longer than that for a robot doc reality. Even if we don't have full on medical professional replacements any time soon, the other advancements in this emerging field—like MarrowMiner, a device that harvests bone marrow in a faster, less painful way—sound promising. Read all about them in the full story here.