1 nov 2011
Este mes termina con 2100 visitas
Posts Populares
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A University of Arkansas biologist has created a sketch of what the first common ancestor of plants and algae may have looked like. He ex...
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A bizarre creature that lived in the ocean more than 500-million years ago has emerged from the famous Middle Cambrian Burgess Shale in the...
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Modern giant salamanders live only in water -- but their ancestors ventured out on land, say geoscientists at the University of Tüb...
