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The New Bottom Line on Stretching and Exercise

Despite decades of conflicting advice, stretching can be beneficial — if done correctly   Generations of athletes, from youth leagues to professional sports, were taught to stretch before practice and games to improve performance and prevent injury.… 

What your car will know about you

Automakers and their suppliers are working on a variety of driver-identification technologies such as facial and iris scans, as well as voice and fingerprint tracking. They would enable a driver to start the engine without a…