Extras

    Video thumbnail: NOVA What's Living in You? Preview

    NOVA

    What's Living in You? Preview

    Discover how a world of microbes living in and on you can make you sick.

    What's Living in You? Preview

    Video thumbnail: NOVA Can Cat Poop Make You Crazy?

    NOVA

    Can Cat Poop Make You Crazy?

    Toxoplasma, a parasite found in cat waste, takes over the brain.

    Can Cat Poop Make You Crazy?

    Video thumbnail: NOVA Six Microbes Living in You

    NOVA

    Six Microbes Living in You

    Microbes colonize our skin, guts, and bodies—but we wouldn’t be ourselves without them.

    Six Microbes Living in You

    Video thumbnail: NOVA Profile: Jack Gilbert

    NOVA

    Profile: Jack Gilbert

    Jack Gilbert studies the effects of the microbiome on the human body and mind.

    Profile: Jack Gilbert

    Video thumbnail: NOVA Giving Birth to a Botfly

    NOVA

    Giving Birth to a Botfly

    Could you love a baby botfly?

    Giving Birth to a Botfly