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  1. Physics

    Invisibility within sight

    Two new studies take steps toward practical materials that can bend light backward, which could lead to invisibility cloaks.

    By Davide Castelvecchi
  2. Health & Medicine

    Never bet against a pro

    Players run a simulation of a throw in their own brains and muscles and are more accurate at predicting whether a shot will go in the basket than coaches, sports journalists or novice watchers.

    By Tina Hesman Saey
  3. Life

    DNA defense

    Scientists find a type of white blood cell releases its mitochondrial DNA, along with toxic proteins, as a defense against invading bacteria.

    By Rachel Ehrenberg
  4. Health & Medicine

    Perfumed mother’s milk

    New study shows synthetic musks are passed on to babies through mother’s milk, but how these artificial compounds act in the body still unclear.