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  1. Health & Medicine

    Reducing blood pressure in the lungs

    A new drug seems to help reduce abnormally high blood pressure in the lungs, a condition that can trigger heart failure.

    By Damaris Christensen
  2. Health & Medicine

    Seizures and reproductive ills linked

    Abnormal electrical signaling in the brains of women with epilepsy may alter sex hormone cycling and explain why epileptic women seem to have a higher rate of reproductive disorders than do other women.

    By Damaris Christensen

  3. When ground squirrels cry badger

    Richardson's ground squirrels respond differently to alarm calls depending on whether the caller has a history of false alarms.

    By Susan Milius

  4. Desert beetle catches fog on its back

    The bumpy back of a desert beetle has inspired a design for collecting water from fog.