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  1. Science & Society

    You’re only as old as you perceive yourself to be

    Editor in Chief Nancy Shute discusses how people’s attitudes about aging can impact our physical health.

    By Nancy Shute
  2. Life

    Mapping how the ‘immortal’ hydra regrows cells may demystify regeneration

    In the continually regenerating hydra, fluorescent markers help researchers track stem cells on the way to their cellular fate.

    By Carolyn Wilke
  3. Life

    Giving cats food with an antibody may help people with cat allergies

    Research by pet-food maker Purina aims to disable the major allergen carried in cat saliva, a protein called Fel d1.

    By Erika Engelhaupt
  4. Health & Medicine

    Climate change could raise the risk of deadly fungal infections in humans

    The rise of Candida auris, a deadly fungus spurring outbreaks in the United States and worldwide, may have been aided by climate change.