The science of Olympic boxing

	VIDEO
CNN's Ann Kellan meets a featherweight who gives his hitting an edge with computerized punching bags and video Play video (QuickTime, Real or Windows Media)
CNN's Ann Kellan interviews Juarez Play video (QuickTime, Real or Windows Media)

(CNN) -- Named after Rocky Marciano, Rocky Juarez has been boxing since he was 13 years old. Now, he has his eye on a gold medal.

CNN's Science Correspondent Ann Kellan tells us how technology and family support have helped this kid from Houston get to Sydney. Click on the links at right to watch her full report and to hear more of what Juarez has to say about his hopes for winning a gold medal at the Olympics, technology in the gym, and why he prefers working out in his old gym in Houston.

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