Extras

    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

    Video thumbnail: NOVA Curling, A Great Physics Mystery

    NOVA

    Curling, A Great Physics Mystery

    To physicists, curling presents the most puzzling conundrum in the Olympic Games.

    Curling, A Great Physics Mystery

    Video thumbnail: NOVA The Biggest Puzzle in Physics

    NOVA

    The Biggest Puzzle in Physics

    Sometimes the biggest puzzle in physics seems like the worst relationship in the universe.

    The Biggest Puzzle in Physics

    Video thumbnail: NOVA What The Physics?! - Q&A

    NOVA

    What The Physics?! - Q&A

    "What The Physics?!" host, Greg Kestin, answers questions from you, our viewers.

    What The Physics?! - Q&A

    Video thumbnail: NOVA Wild Ways to Find a Mate

    NOVA

    Wild Ways to Find a Mate

    From necking giraffes to monogamous parasites, creatures couple up in unexpected ways.

    Wild Ways to Find a Mate

    Video thumbnail: NOVA What Is Bitcoin?

    NOVA

    What Is Bitcoin?

    Bitcoin and other cryoptocurrencies—the future of money or hype? Here's what they are.

    What Is Bitcoin?

    Video thumbnail: NOVA What Is Blockchain?

    NOVA

    What Is Blockchain?

    Here's how a blockchain tracks and theoretically secures the movement of digital currency.

    What Is Blockchain?

    Video thumbnail: NOVA Seeing Quantum with the Naked Eye

    NOVA

    Seeing Quantum with the Naked Eye

    Simply squinting at a lamp highlights the quantum nature of light.

    Seeing Quantum with the Naked Eye

    Video thumbnail: NOVA Can Tech Save Players’ Brains?

    NOVA

    Can Tech Save Players’ Brains?

    Football is a full-contact sport, but can a high tech mouth guard help save players’ brain

    Can Tech Save Players’ Brains?

    Video thumbnail: NOVA Does the Flu Shot Work?

    NOVA

    Does the Flu Shot Work?

    The flu vaccine changes from year to year and its efficacy varies. Here’s why.

    Does the Flu Shot Work?

    Video thumbnail: NOVA Predicting Landslides

    NOVA

    Predicting Landslides

    How might science help avoid tragic deaths caused by landslides?

    Predicting Landslides