New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.
New Scientist on MSN
Was our earliest ancestor a knuckle-dragger, or did it walk upright?
A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like ...
Push-pull workouts combine pushing and pulling exercises to help strengthen your upper body, balance your muscles, and ...
Live Science on MSN
Why can't you wiggle your toes one at a time?
Most of the muscles of your foot let you point your toes down, like when you stand on tiptoes, or lift them up, like when you ...
Looking to be more active in the new year? Host of NPR's Life Kit Marielle Segarra explains how to build movement into your hectic schedule and stay motivated.
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