News

  1. Health & Medicine

    A year adds up to big changes in brain

    Third grade brings big shifts in how kids use their heads to solve math problems.

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  2. Physics

    Light created from the void

    An international team of physicists confirms a long-held theory about the quantum energy that fills empty space.

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  3. Genetics

    Flexible DNA computer finds square roots

    Scientists design a digital circuit made of molecules that may be able to crunch a wider variety of complex math problems than previous versions.

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  4. Life

    Holding back evolution

    Gene mutations that are beneficial on their own combine to slow down progress, new bacterial experiments show.