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Tau Ceti: The next Earth? Probably not

As the search continues for Earth-size planets orbiting at just the right distance from their star, a region termed the habitable zone, the number of potentially life-supporting planets grows. In two decades ...

dateApr 22, 2015 in Astronomy
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From metal to insulator and back again

New work from Carnegie's Russell Hemley and Ivan Naumov hones in on the physics underlying the recently discovered fact that some metals stop being metallic under pressure. Their work is published in Physical Re ...

dateApr 22, 2015 in Condensed Matter
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Putting a new spin on computing memory

Ever since computers have been small enough to be fixtures on desks and laps, their central processing has functioned something like an atomic Etch A Sketch, with electromagnetic fields pushing data bits ...

dateApr 22, 2015 in General Physics
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Decoding the cell's genetic filing system

A fully extended strand of human DNA measures about five feet in length. Yet it occupies a space just one-tenth of a cell by wrapping itself around histones—spool-like proteins—to form a dense hub of ...

dateApr 22, 2015 in Biochemistry
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