Archive: 26/11/2007

University of Toronto scientists map entire yeast genome

University of Toronto scientists have devised a tool to help understand and predict the state of a cell by successfully mapping all 70,000 nucleosomes in yeast. Nucleosomes wrap DNA before it is transformed into proteins ...

dateNov 26, 2007 in
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Accuracy of past hurricane counts good

Counting tropical storms that occurred before the advent of aircraft and satellites relies on ships logs and hurricane landfalls, making many believe that the numbers of historic tropical storms in the Atlantic are seriously ...

dateNov 26, 2007 in Earth Sciences
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Nanoswitches Toggled by Light

Microscopic fissures in a tiny crystal open and close—on command. Researchers led by Ahmed H. Zewail successfully used ultrafast electron microscopy (UEM) to observe nanoscopic structures at their “exercises”, as they ...

dateNov 26, 2007 in Nanophysics
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