PrimeWire

You can now watch the entire Scientific American Frontiers Season 15 Episode 1 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

Scientific American Frontiers: 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.