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Scientific and Engineering Skills Lead to Inventions that Save Lives This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save lives. We will a
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Todd: Mike, you're giving tips about weight training and we've talked about upper body. Now what about lower body and legs? I actually don't want to lift weights with my legs. I just... It is OK if I just skip it? Mike: Well, you should do your legs