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  1. Health & Medicine

    Marker signals esophageal cancer

    Silencing of the gene that encodes the cancer-suppressing protein APC is common in people with esophageal cancer, suggesting that physicians might use this genetic abnormality as a marker for the disease.

    By Nathan Seppa
  2. Health & Medicine

    Is penicillin-allergy rate overstated?

    A study finds that 20 of 21 people who reported having a penicillin allergy when filling out paperwork during a hospital visit in fact don't have one, suggesting that the prevalence of this allergy is overstated.

    By Nathan Seppa

  3. Man’s brain incurs disgusting loss

    A brain-damaged man yields clues to the neural organization responsible for experiencing disgust.

    By Bruce Bower

  4. Brain sets sights on mind’s eye

    Brain regions implicated in vision may also contribute to the images in the "mind's eye."