Scientific American Frontiers: Surgical Slimmers

In spite of the risks, people are lining up to solve their weight problems in the operating room. And if the latest device - an implantable stomach 'pacer' - works out, millions more will be taking the surgical way out.
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Scientific American Frontiers: Losing It
Scientific American Frontiers: Cars that Think
Scientific American Frontiers: Coming into America
Scientific American Frontiers: The Dark Side of the Universe
Scientific American Frontiers: Don't Forget!
Scientific American Frontiers: Going Deep
Scientific American Frontiers: Hydrogen Hopes
Scientific American Frontiers: Cybersenses
Beyond Human: Body Electric
Scientific American Frontiers: Robot Pals