University of Pennsylvania

Evolution can select for evolvability, biologists find

Evolution does not operate with a goal in mind; it does not have foresight. But organisms that have a greater capacity to evolve may fare better in rapidly changing environments. This raises the question: does evolution favor ...

dateNov 14, 2013 in Evolution
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Researchers Unlock Molecular Origin of Blood Stem Cells

(PhysOrg.com) -- A research team led by Nancy Speck, PhD, Professor of Cell and Developmental Biology at the University of Pennsylvania School of Medicine, has identified the location and developmental timeline ...

dateJan 09, 2009 in
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