When ancient Our ancestors appear on Earth. When millions of years before, and then they took it slow rush hunting anything compared to animals in General, there are no physical capacity does not have fangs, claws from the research of scientists from Harvard. And 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 hunt by chasing Sprint front groups. Many miles for a period. 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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