Extras

    Video thumbnail: NOVA The World’s Smartest Dog

    NOVA

    The World’s Smartest Dog

    Remembering John Pilley, the owner and trainer of Chaser the Border Collie.

    The World’s Smartest Dog

    Video thumbnail: NOVA Liquid Water Found on Mars

    NOVA

    Liquid Water Found on Mars

    Scientists found a large body of liquid water beneath the southern ice caps of Mars.

    Liquid Water Found on Mars

    Video thumbnail: NOVA NASA Heads to the Sun

    NOVA

    NASA Heads to the Sun

    NASA launched a new spacecraft to study the Sun like never before.

    NASA Heads to the Sun

    Video thumbnail: NOVA Is Grilled Food Bad for You?

    NOVA

    Is Grilled Food Bad for You?

    Explore the science of grilling and how it could affect your health.

    Is Grilled Food Bad for You?

    Video thumbnail: NOVA What Is What the Physics?!

    NOVA

    What Is What the Physics?!

    What the Physics?! is about the physics in you, of you, and around you.

    What Is What the Physics?!

    Video thumbnail: NOVA Physics Is Erasing Your Memory

    NOVA

    Physics Is Erasing Your Memory

    Thanks to physics, no memory can last forever.

    Physics Is Erasing Your Memory

    Video thumbnail: NOVA Jurassic World’s Wrong About DNA

    NOVA

    Jurassic World’s Wrong About DNA

    Jurassic World relies on ancient dino DNA to resurrect dinosaurs. But that's not possible.

    Jurassic World’s Wrong About DNA

    Video thumbnail: NOVA Separation and Children’s Brains

    NOVA

    Separation and Children’s Brains

    Even brief separations can impair the brain development of a young child or infant.

    Separation and Children’s Brains

    Video thumbnail: NOVA Net Neutrality’s End and Science

    NOVA

    Net Neutrality’s End and Science

    Depending on your perspective, the repeal of net neutrality could help or hurt science.

    Net Neutrality’s End and Science

    Video thumbnail: NOVA What Does an Atom Look Like?

    NOVA

    What Does an Atom Look Like?

    It’s pretty different from the atom you saw in your textbooks.

    What Does an Atom Look Like?

    Video thumbnail: NOVA Tale of Two Volcanoes

    NOVA

    Tale of Two Volcanoes

    Hawaii’s Kilauea and Guatemala’s Fuego volcanic eruptions have been remarkably destructive

    Tale of Two Volcanoes

    Video thumbnail: NOVA What Does Dark Energy Look Like?

    NOVA

    What Does Dark Energy Look Like?

    The mysterious substance ripping our universe apart.

    What Does Dark Energy Look Like?

    Video thumbnail: NOVA Can You Upload Your Brain?

    NOVA

    Can You Upload Your Brain?

    How the laws of physics forbid perfect cloning.

    Can You Upload Your Brain?

    Video thumbnail: NOVA Ethics and Self-Driving Cars

    NOVA

    Ethics and Self-Driving Cars

    How do we program moral decision-making into autonomous vehicles?

    Ethics and Self-Driving Cars

    Video thumbnail: NOVA Black Hole Information Paradox

    NOVA

    Black Hole Information Paradox

    Do black holes delete information forever? Or could information somehow escape them?

    Black Hole Information Paradox

    Video thumbnail: NOVA Choose Your Own Adventure into a Black Hole

    NOVA

    Choose Your Own Adventure into a Black Hole

    What would it be like to fall into a black hole? Choose your own adventure to find out!

    Choose Your Own Adventure into a Black Hole

    Video thumbnail: NOVA The Next Quest for New Worlds

    NOVA

    The Next Quest for New Worlds

    There are worlds beyond our own. A new explorer just left Earth to hunt for them.

    The Next Quest for New Worlds

    Video thumbnail: NOVA Why Fart Sounds Are Funny

    NOVA

    Why Fart Sounds Are Funny

    April Fool's! We weigh in on the serious science behind... whoopee cushions.

    Why Fart Sounds Are Funny

    Video thumbnail: NOVA Fake or Physics?

    NOVA

    Fake or Physics?

    Guess which of these five unbelievable facts are real physics.

    Fake or Physics?

    Video thumbnail: NOVA Remembering Stephen Hawking

    NOVA

    Remembering Stephen Hawking

    Stephen Hawking had a way of bringing the most cosmic ideas down to Earth.

    Remembering Stephen Hawking

    Video thumbnail: NOVA Saving Snowy Owls from Airplanes

    NOVA

    Saving Snowy Owls from Airplanes

    When snowy owls land at Logan Airport, Norman Smith gives the birds a one-way flight out.

    Saving Snowy Owls from Airplanes

    Video thumbnail: NOVA Do We Live in a Multiverse?

    NOVA

    Do We Live in a Multiverse?

    A multiverse could explain why our universe is fine-tuned for life.

    Do We Live in a Multiverse?

    Video thumbnail: NOVA What Is Dark Matter? A New Clue!

    NOVA

    What Is Dark Matter? A New Clue!

    A signal from the dawn of the universe may hold surprising clues about dark matter.

    What Is Dark Matter? A New Clue!

    Video thumbnail: NOVA Celebrating Black Scientists

    NOVA

    Celebrating Black Scientists

    In honor of Black History Month, we celebrate these black scientists.

    Celebrating Black Scientists