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  1. Materials Science

    Nanotubes form dense transistor array

    Researchers have made an array of transistors out of carbon nanotubes.

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  2. Materials Science

    Future brightens for carbon nanotubes

    Researchers have made a lightbulb that depends on carbon nanotubes for its glow.

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  3. Health & Medicine

    Gender bias: Stroke after heart surgery

    Women are more likely than men to suffer strokes after heart surgery.

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  4. Health & Medicine

    New drug takes on intestinal cancer

    Imatinib mesylate, already approved by the FDA for treating people with a form of leukemia, blocks the activity of certain enzymes that cause gastrointestinal stromal cells to replicate uncontrollably.