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  1. Astronomy

    Late Bloomer: Hubble studies once-dormant galaxy

    A wispy dwarf galaxy called Leo A has the potential to change the way astronomers build theoretical models of galaxy evolution.

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  2. Health & Medicine

    Asthma Zap: Heated scope reduces attacks

    A new tool cools asthma by heating lung tissue to kill overgrown smooth muscle in airways, a hallmark of the disease.

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  3. Humans

    Chasing money for science

    Stagnant funding for the National Institutes of Health is forcing scientists to downsize their labs and abandon some of their most promising work.

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  4. Physics

    Meet me at 79°50′ N, 56° W

    Violations of Newtonian physics could explain away dark matter.