Uncategorized

  1. Neuroscience

    Study casts doubt on whether adult brain’s memory-forming region makes new cells

    An examination of 54 human brains suggests that adults don’t grow new neurons in the hippocampus, contrary to several widely accepted studies.

    By Laura Sanders
  2. Health & Medicine

    How dad’s stress changes his sperm

    Stress may change sperm via packets of RNA in the epididymis, a mouse study suggests.

    By Laura Sanders
  3. Neuroscience

    The brain’s helper cells have a hand in learning fear

    After a traumatic experience, rat brains release inflammatory signals that come from astrocytes, suggesting a new role for the brain’s “helper” cells.

    By Bethany Brookshire
  4. Science & Society

    In science, some big risks are worth the rewards

    Acting Editor in Chief Elizabeth Quill says scientists sometimes take risks that can lead to significant rewards and important discoveries.