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    Marta Zaraska

    Marta Zaraska is a freelance writer based in France, is author of Growing Young: How Friendship, Optimism and Kindness Can Help You Live to 100 (Penguin Random House, 2020). She wrote "Shrinking Animals" in the June 2018 issue.

    A close up of a circular metal fan tied to a fence post with a horse wearing eye blinders in the background.
    Stupid hot: Heat waves cause cognitive changes in animals, making them more aggressive and unable to complete basic tasks

    As temperatures rise, some creatures pick fights while others struggle to learn. The consequences of these behavioral changes may ripple through ecosystems.

    animals
    • close up on a woman's smiling face as she leans into the chest of another person during a hug
      Humans can 'smell' each other's emotions — but we don't know how

      Scents are not only important in our relationship to food and the natural world. They also play a role in how we communicate with people we know.

      By Marta Zaraska Published 11 January 24

      psychology
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