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Category: ScienceFrom Butterflies to Humans
The story of animal evolution is marked by key innovations such as limbs for walking on land, wings for flight, and color patterns for advertising or concealment. How do new traits arise? Sean B. Carroll, Ph.D. explores how new patterns evolve when 'old' genes learn new tricks. Old genes learning new tricks also apply to our own species and the evolution of traits that distinguish us from earlier hominids and other apes. Despite immense advances in evidence and understanding, there remains a societal struggle with the acceptance of our biological history and the evolutionary process. - ResearchChannel is a nonprofit media and technology organization that connects a global audience with the research and academic institutions whose developments, insights and discoveries affect our lives and futures. Tags: From Butterflies to Humans Views: 993 Rating:  Posted By: admin |
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Category: BBC HorizonThe Lost Pyramids Of Caral
The magnificent ancient city of pyramids at Caral in Peru hit the headlines in 2001. The site is a thousand years older than the earliest known civilization in the Americas and, at 2,627 BC, is as old as the pyramids of Egypt. Many now believe it is the fabled missing link of archeology - a 'mother city'. If so, then these extraordinary findings could finally answer one of the great questions of archeology: why did humans become civilized? Tags: The Lost Pyramids Of Caral Views: 3034 Rating:  Posted By: admin |
