Archive: 07/29/2013

'Cowcatcher' enzyme fixes single-strand DNA

Every time one of your cells divides, it exposes its most essential component to great danger: its genome, the sum total of all its genetic information, embodied in the double-stranded helix of DNA. Prior to cell division, ...

dateJul 29, 2013 in Cell & Microbiology
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How does hydrogen metallize?

Hydrogen is deceptively simple. It has only a single electron per atom, but it powers the sun and forms the majority of the observed universe. As such, it is naturally exposed to the entire range of pressures ...

dateJul 29, 2013 in Condensed Matter
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Are you hiring the wrong person?

Have you ever applied for a job and wondered why it is offered to someone who appears to be less qualified than you? A new study by Berkeley-Haas Associate Professor Don Moore finds employment managers tend to ignore the ...

dateJul 29, 2013 in Economics & Business
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Pushing microscopy beyond standard limits

Engineers at the California Institute of Technology (Caltech) have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms ...

dateJul 29, 2013 in Optics & Photonics
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Cells move as concentration shifts

What do wound healing, cancer metastasis, and bacteria colonies have in common? They all involve the collective displacement of biological cells. New research sheds some new light on the physical mechanisms provoking the ...

dateJul 29, 2013 in General Physics
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