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'First Wave' Settlers Had Key Role In Human Evolution
2011-11-04 05:38:01

A new study examining the genealogies of early human pioneers suggests that settlers who were first to colonize a new region of the world produced more offspring than the settlers who followed them, giving them a selective advantage. The international team of researchers, who specialize in studying the effects of rapid territorial and demographic expansions on recent human evolution, analyzed the growth of human colonies in an area of Quebec, Canada, between 1686 and 1960.  They...


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'karpos', fruit.
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