Feature

  1. Neuroscience

    Viva vagus: Wandering nerve could lead to range of therapies

    Researchers are testing ways to stimulate the vagus nerve to treat a slew of ailments.

    By Sarah Schwartz
  2. Neuroscience

    Blood exerts a powerful influence on the brain

    Instead of just responding to the energy needs of neurons, the blood can have a direct and powerful influence on the brain.

    By Laura Sanders
  3. Earth

    New fascination with Earth’s ‘Boring Billion’

    The Mesoproterozoic era, known as the boring billion, had very low oxygen, but it set the stage for the evolution of animals.

    By Thomas Sumner
  4. Animals

    Slow, cold reptiles may breathe like energetic birds

    Finding birdlike air patterns in lungs of crocodilians and in more distantly related lizards raises the possibility that one-way airflow evolved far earlier than birds themselves did.