Mars: Red planet’s rapid formation explains its small size relative to Earth


Related images(click to enlarge) Mars developed in as little as two to four million years after the birth of the solar system, far more quickly than Earth, according to results of a new study published…

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Hips take walking in stride; ankles put best foot forward in run


In a first-of-its-kind study comparing human walking and running motions – and whether the hips, knees or ankles are the most important power sources for these motions – researchers at North Carolina State University show…

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