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  1. Chemistry

    Carbon nanotubes show superconductivity

    Researchers have made individual superconductive carbon nanotubes that are just 0.4 nanometer wide.

    By Jessica Gorman
  2. Tech

    Soaking Up Rays

    Although light shines through body parts of a primitive marine sponge much as it does through sophisticated optical fibers for telecommunications, scientists differ on whether sponges hold clues to better fibers for humankind.

    By Peter Weiss
  3. Health & Medicine

    Busting the Gut Busters

    Scientists are uncovering a cache of specialized weaponry used by bacteria that can spear holes in the intestine, perforate it, force it to change shape, and then spew toxins that attack other organs.

    By Charlotte Schubert
  4. Physics

    Insects in the wind lead to less power

    A previously puzzling pattern of power loss in wind turbines results from coatings of insects that were smashed by the blades during low winds.