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March 31, 2005
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Tracing the Lena

The Arctic Ocean accounts for only two percent of the world's seawater but takes in more than ten percent of the world's freshwater runoff — most from just six rivers. Tracing Arctic river water is a high priority for Earth scientists: a tip in the Arctic Ocean's freshwater balance could accelerate global warming.
  In Series  
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Continuing a series on the role of Berkeley Lab researchers in planning for the proposed International Linear Collider, an extraordinary new machine to explore fundamental particles and forces. This installment: damping rings to prepare the beams.
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  The Parallel Processor  
Today's supercomputers are fast, but when it comes to scientific applications, most fall short of their supposed capabilities. A new study reports on the work Berkeley Lab scientists and other collaborators have done with IBM — with some advances already being put into effect — that has benefited the computer vendor and promises to markedly improve scientific computing.
A Life Sciences researcher has devised a homebrew program called GenoPharm to help make searching the literature for connections among genes easier. GenoPharm hunts for links not the way Google does, by keyword, but the way scientists do, through associations.
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Across the Protein Universe

There are least 50 billion proteins in the protein universe, and there may be trillions more. A new three-dimensional map makes it easier to visualize new discoveries in context. By introducing proteins to their neighbors and making evolutionary relationships clear, it can help predict how an unknown protein functions.
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Warming at the Polarons

Traditional computers operate using the electron's charge, but the newest devices make use of electron spin as well. Researchers have discovered one way that electronic states are affected in magnetic materials exhibiting the phenomenon of colossal magnetoresistance: a surprising distortion in the crystal lattice, called a polaron.