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  1. Physics

    Quantum link connects light, ions

    By proving experimentally for the first time that an atom and a photon can become entwined in a quantum embrace called entanglement, physicists took a step toward teleporting quantum characteristics from one atom to another.

    By Peter Weiss
  2. Health & Medicine

    Bug bites suggest new stroke drug

    Changing a human enzyme so that it resembles one from blood-sucking insects may lead to a new treatment for strokes.

    By John Travis
  3. Astronomy

    Andromeda’s building blocks

    A radio telescope has made the first conclusive observations of gas clouds that could be the leftover building blocks of the Andromeda galaxy, the Milky Way’s closest large spiral neighbor.