Science news articles about 'David Raichlen'

... of their lives in trees, but something new was happening. David Raichlen, an assistant professor in the University of Arizona ... , and not the striding gait normally used by modern humans," Raichlen said. "But to our surprise, the Laetoli footprints fall completely ...

... for a more immobile existence. But these were not the conditions under which we evolved. David Raichlen from the University of Arizona, USA, explains ... where they become motivated to exercise by endocanabinoids. Raichlen also suggests that exercise could be a cheap solution to many medical ...