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Physical Review Focus
Sympathy for Cold Molecules


29 December 2006
Researchers cooled large dye molecules to one-tenth of a degree Kelvin--the coldest temperature ever for large molecules. The technique could work with protein molecules and allow a new level of precision spectroscopy.
A Nuclear Magic Trick


14 December 2006
Researchers created the superheavy nucleus hassium-270 for the first time. Its long lifetime of 22 seconds supports the theory of a second 'island of stability' for the heaviest elements.
Landmarks: NMR--Grandmother of MRI


11 December 2006
Two experiments in 1946, showing how electromagnetic waves could flip atomic nuclei, eventually led to magnetic resonance imaging (MRI).
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