Extras

    Video thumbnail: NOVA What's the Universe Made Of? Preview

    NOVA

    What's the Universe Made Of? Preview

    Peer into the universe’s deep unknowns to explore the mysteries of dark matter and energy.

    What's the Universe Made Of? Preview

    Video thumbnail: NOVA Physics Is a Never-Ending Puzzle

    NOVA

    Physics Is a Never-Ending Puzzle

    Physics rarely yields finite answers, but that doesn’t deter scientists.

    Physics Is a Never-Ending Puzzle

    Video thumbnail: NOVA Profile: Priya Natarajan

    NOVA

    Profile: Priya Natarajan

    Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.

    Profile: Priya Natarajan

    Video thumbnail: NOVA Can Gene Therapy Cure Cancer?

    NOVA

    Can Gene Therapy Cure Cancer?

    CAR-T Gene Therapy is a new treatment for some forms of Leukemia and Non-Hodgkin Lymphoma.

    Can Gene Therapy Cure Cancer?

    Video thumbnail: NOVA Bringing Back Woolly Mammoths

    NOVA

    Bringing Back Woolly Mammoths

    Mixing mammoth and elephant genes could be the key to saving the Arctic.

    Bringing Back Woolly Mammoths

    Video thumbnail: NOVA How does CRISPR work?

    NOVA

    How does CRISPR work?

    CRISPR makes gene editing faster, cheaper, and easier than ever before. Here's how.

    How does CRISPR work?

    Video thumbnail: NOVA Can We Make Life? Preview

    NOVA

    Can We Make Life? Preview

    A revolution in gene editing enables scientists to create and edit DNA like never before.

    Can We Make Life? Preview

    Video thumbnail: NOVA Profile: Kevin Esvelt

    NOVA

    Profile: Kevin Esvelt

    Kevin Esvelt's on a mission to eradicate Lyme disease on Nantucket and Martha’s Vineyard.

    Profile: Kevin Esvelt

    Video thumbnail: NOVA Profile: Rana el Kaliouby

    NOVA

    Profile: Rana el Kaliouby

    Rana el Kaliouby wants to humanize technology with artificial emotional intelligence.

    Profile: Rana el Kaliouby

    Video thumbnail: NOVA Meet the Robots at Amazon

    NOVA

    Meet the Robots at Amazon

    Will robots take over the world?

    Meet the Robots at Amazon

    Video thumbnail: NOVA Can We Build a Brain? Preview

    NOVA

    Can We Build a Brain? Preview

    How does today’s artificial intelligence actually work—and is it truly intelligent?

    Can We Build a Brain? Preview

    Video thumbnail: NOVA What is a Neural Net?

    NOVA

    What is a Neural Net?

    Neural nets have revolutionized the AI industry for years. But what exactly are they?

    What is a Neural Net?

    Video thumbnail: NOVA Using Artificial Intelligence to Diagnose Melanoma

    NOVA

    Using Artificial Intelligence to Diagnose Melanoma

    A deep learning system has learned to accurately identify skin cancers in photographs.

    Using Artificial Intelligence to Diagnose Melanoma

    Video thumbnail: NOVA Profile: Jason Kalirai

    NOVA

    Profile: Jason Kalirai

    Astrophysicist Jason Kalirai observes stars and searches for habitable planets.

    Profile: Jason Kalirai

    Video thumbnail: NOVA Can We Use Pollution to Find Aliens?

    NOVA

    Can We Use Pollution to Find Aliens?

    The hunt for pollution in other planets’ atmospheres may determine whether we are alone.

    Can We Use Pollution to Find Aliens?

    Video thumbnail: NOVA Are We Alone? Preview

    NOVA

    Are We Alone? Preview

    Hunt for clues in the universes to answer one of humanity’s biggest questions.

    Are We Alone? Preview

    Video thumbnail: NOVA The Mystery of Tabby’s Star

    NOVA

    The Mystery of Tabby’s Star

    Tabby’s star flickers erratically and no one knows why—could it be an alien megastructure?

    The Mystery of Tabby’s Star

    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 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 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 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

    Video thumbnail: NOVA The Secrets of Spider Seduction

    NOVA

    The Secrets of Spider Seduction

    Can scientists stomach hours of spider sex in order to understand their language?

    The Secrets of Spider Seduction

    Video thumbnail: NOVA What are Chimps Saying?

    NOVA

    What are Chimps Saying?

    Chimps have their own rich world of communication.

    What are Chimps Saying?