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LifeClimate change shrinks sheep
Milder winters help small, weak lambs survive but more competition for food slows growth.
By Susan Milius -
EarthNew cyclone predictor
Researchers link occasional sea-surface warming in central Pacific with more, stronger hurricanes in North Atlantic.
By Sid Perkins -
LifeNew drug hits leukemia early
An experimental drug may stop a deadly leukemia in its early stages, a study of mice shows.
By Nathan Seppa -
Five problems in physics without the definite article
In a 2006 book that garnered much press for its silly attacks on string theory, author and physicist Lee Smolin provides a list of “The Five Great Problems in Theoretical Physics.”