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  1. Physics

    Physicists Hot for Ultracold

    Physicists have recently coaxed molecules into ultracold states in which motion is nearly gone.

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  2. Health & Medicine

    Imagination Medicine

    Brain imaging reveals the substance of placebos. Expectation alone triggers the same neural circuits and chemicals as real drugs.

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  3. Space

    First LHC proton collisions postponed further

    The world’s most powerful atom smasher won’t reopen for business until the end of June at the earliest, rather than in April as scientists had previously estimated.

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  4. Psychology

    Recovering memories that never left

    New research suggests that some people who recover memories of childhood sexual abuse are prone to false recall, while others are likely to have forgotten earlier recollections of actual abuse.