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Human Evolution May Have Been Driven By Environmental Fluctuations
2012-12-25 05:51:40

April Flowers for redOrbit.com - Your Universe Online A research team from Penn State and Rutgers University found that roughly 2 million years ago in East Africa, a series of rapid environmental changes may be responsible for driving human evolution. "The landscape early humans were inhabiting transitioned rapidly back and forth between a closed woodland and an open grassland about five to six times during a period of 200,000 years," said Clayton Magill, graduate student in geosciences...


Word of the Day
omadhaun
  • A fool; a simpleton: a term of abuse common in Ireland and to a less extent in the Gaelic-speaking parts of Scotland.
This word is partly Irish in origin.