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

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.


Word of the Day
cowpooling
  • The practice of two or more parties jointly purchasing all or part of a butchered cow and dividing the meat between them.
The word 'cowpooling' was formed on the model of 'carpooling'.