May 2019

  • Illustration of a community of microbes

    Mouth Microbes

    The Helpful and the Harmful

    Your mouth is home to about 700 species of germs, like bacteria, fungus, and more.

  • Illustration of an ear hearing a shape

    Mingling Senses

    Synesthesia Explained

    What shape does a sound make? That might sound like nonsense, but someone with this uncommon condition may know.

Contributors to this issue: 

  • Geri Piazza
  • Sharon Reynolds