Running a single mile — at about a 10-minute pace — consists of 1,700 steps. And each one of those steps produces ground reaction forces of about two and a half times your body weight. And you know ...
Filmgoers pose in front of a giant poster advertising "The Battle at Lake Changjin" in a cinema in Kunming, Southwest China's Yunnan province, Oct 1, 2021. [Photo/Xinhua] The Battle at Lake Changjin, ...
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