The Obamacare web sites had trouble keeping up with demand when the health insurance exchanges went live on Tuesday. Is that a good or bad omen for its future? In her weekly science blogs roundup, Tabitha M. Powledge breaks down the polling data and concludes that the new health plans may be more popular than their opponents say. Also: the psychology behind the federal government's shutdown, and its effects on science, medicine, and coverage of both.
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