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  1. Neuroscience

    Watch the brain jiggle with each heartbeat

    A new twist on MRI can reveal how the brain wiggles.

    By Laura Sanders
  2. Health & Medicine

    ‘Aroused’ recounts the fascinating history of hormones

    The new book "Aroused" demystifies hormones, the chemicals that put the zing into life.

    By Erika Engelhaupt
  3. Earth

    This volcano revealed its unique ‘voice’ after an eruption

    Identifying patterns in a volcano’s low-frequency sounds could help monitor its activity.

    By Carolyn Gramling
  4. Health & Medicine

    What is it about hogweed — and lemons and limes — that can cause burns?

    Some plants have compounds that, after exposure to sunlight, produce streaky or spotty burns.