Our ancient ancestors happened on Earth for many millions of years ago. Then they can hunt it? They run much slower if some kinds of animals, compared with the whole, there are no physical capacity, many do not have fangs, nails. That from the research of Harvard University and scientists from the University of Utah, which made the study of patterns of life and man's rush, said that even though human ancestors are bad weak story, speed and physical capacity. That this is an important factor that enables human beings to run distances have not died before that this ability makes humans along with hunting animals as a group to capture the Chase Sprint. Several miles long. When this occurs, human chueng said that everyone born with the potential to run remotely. As our ancestors proved them to ancient times. Therefore, we were born to run.
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