Itch can be a useful warning sign, or a maddening symptom with no cure. But the origins of itch have long been a mystery. Scientists think they've come closer to understanding the origins of itch in a molecule that makes mice scratch like mad.
The partisan war over judicial nominees has accelerated in recent years. It took nearly a year to win Senate confirmation for Sri Srinivasan to the important federal appeals court for the District of Columbia, though he had no formal opposition.
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