Archive: 5/04/2010

For Stem Cells, Practice Makes Perfect

(PhysOrg.com) -- Multipotent stem cells have the capacity to develop into different types of cells by reprogramming their DNA to turn on different combinations of genes, a process called "differentiation." In a new study, ...

dateApr 05, 2010 in Cell & Microbiology
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Eating like a bird helps forests grow

Lions, tigers and bears top the ecological pyramid -- the diagram of the food chain that every school child knows. They eat smaller animals, feeding on energy that flows up from the base where plants convert sunlight into ...

dateApr 05, 2010 in Plants & Animals
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Form or function? Evolution takes different paths

Biologists long have known that both the appearance of organisms and their inner workings are shaped by evolution. But do the same genetic mechanisms underlie changes in form and function? A new study by scientists at the ...

dateApr 05, 2010 in Evolution
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3 Questions: David MacKay on renewable energy

David MacKay (pronounced mac-EYE), a professor of physics at the University of Cambridge, UK, was recently appointed to a three-year term as chief scientific advisor to the UK’s Department of Energy and Climate Change. ...

dateApr 05, 2010 in Environment
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