Archive: 03/09/2009

Spare gene is fodder for fishes' evolution

Scientists have suspected that spare parts in the genome—extra copies of functional genes that arise when genes or whole genomes get duplicated -- might sometimes provide the raw materials for the evolution of new traits. ...

dateSep 03, 2009 in Biotechnology
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Optical atomic clock becomes portable

You imagine a clock to be different -- yet the optical table with its many complicated set-ups really is one. Optical clocks like the strontium clock in the Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig could ...

dateSep 03, 2009 in General Physics
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