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Reconstructing the tree of life

In 1837, Charles Darwin drew a tree of life, a primitive sketch suggesting that all organisms shared a common ancestry. Today, scientists still are trying to reconstruct these evolutionary branches, but using tools, such ...

dateMay 01, 2014 in Evolution
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Chimpanzees prefer firm, stable beds

Chimpanzees may select a certain type of wood, Ugandan Ironwood, over other options for its firm, stable, and resilient properties to make their bed, according to a study published April 16, 2014 in the open-access journal ...

dateApr 16, 2014 in Plants & Animals
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Amazon's canopy chemistry is a patchwork quilt

In many ways, plants act as chemical factories, using energy from sunlight to produce carbon-based energy and taking nutrients from the soil in order to synthesize a wide variety of products. Carnegie scientists asked the ...

dateMar 03, 2014 in Ecology
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