Extras

    Video thumbnail: NOVA This AI Can Help Park Rangers Identify Poachers

    NOVA

    This AI Can Help Park Rangers Identify Poachers

    A system of small cameras can help park rangers identify possible poachers.

    This AI Can Help Park Rangers Identify Poachers

    Video thumbnail: NOVA What is a Bomb Cyclone?

    NOVA

    What is a Bomb Cyclone?

    Discover the science behind the phenomenon.

    What is a Bomb Cyclone?

    Video thumbnail: NOVA What Went Wrong with the Boeing 737 Max 8?

    NOVA

    What Went Wrong with the Boeing 737 Max 8?

    Experts weigh in on what may have happened to the Ethiopian flight 302.

    What Went Wrong with the Boeing 737 Max 8?

    Video thumbnail: NOVA The World Wide Web Celebrates its 30th Birthday

    NOVA

    The World Wide Web Celebrates its 30th Birthday

    Without it, you wouldn't be able to watch this video.

    The World Wide Web Celebrates its 30th Birthday

    Video thumbnail: NOVA Why Hurricane Florence Caused So Much Flooding

    NOVA

    Why Hurricane Florence Caused So Much Flooding

    Warming air and sea surface temperatures are making storms wetter and more intense.

    Why Hurricane Florence Caused So Much Flooding

    Video thumbnail: NOVA Can Super Corals Save Reefs?

    NOVA

    Can Super Corals Save Reefs?

    Scientists are trying to help reefs around the world the world by identifying super corals

    Can Super Corals Save Reefs?

    Video thumbnail: NOVA Climate Change Flooding: A Threat to National Security?

    NOVA

    Climate Change Flooding: A Threat to National Security?

    Sea level rise and heavy rains pose logistical challenges to Norfolk, Virginia's Navy.

    Climate Change Flooding: A Threat to National Security?

    Video thumbnail: NOVA Did Climate Change Cause Hurricane Harvey?

    NOVA

    Did Climate Change Cause Hurricane Harvey?

    Climate models can be used to analyze rainfall, heatwaves, and even coral bleaching events

    Did Climate Change Cause Hurricane Harvey?

    Video thumbnail: NOVA What is Coral Bleaching?

    NOVA

    What is Coral Bleaching?

    It changes the dynamic of the entire reefscape, and can be detrimental to corals.

    What is Coral Bleaching?

    Video thumbnail: NOVA Why Kicking a Field Goal is Harder Than it Looks

    NOVA

    Why Kicking a Field Goal is Harder Than it Looks

    Kicking a field goal is tough. But why? (Hint: It's physics.)

    Why Kicking a Field Goal is Harder Than it Looks

    Video thumbnail: NOVA What Does the Polar Vortex Have to do With Climate Change?

    NOVA

    What Does the Polar Vortex Have to do With Climate Change?

    If you think you understand the polar vortex, think again.

    What Does the Polar Vortex Have to do With Climate Change?

    Video thumbnail: NOVA AI Helps Young Man with Cerebral Palsy Find Independence

    NOVA

    AI Helps Young Man with Cerebral Palsy Find Independence

    Can AI technology help 12-year-old Kaden, who is nonverbal, find his voice?

    AI Helps Young Man with Cerebral Palsy Find Independence

    Video thumbnail: NOVA How Does a Government Shutdown Affect Science?

    NOVA

    How Does a Government Shutdown Affect Science?

    The government shutdown has brought experiments to a halt and affected other areas.

    How Does a Government Shutdown Affect Science?

    Video thumbnail: NOVA Five Moon Names to Know for Successful Moongazing

    NOVA

    Five Moon Names to Know for Successful Moongazing

    What's the meaning behind moon names?

    Five Moon Names to Know for Successful Moongazing

    Video thumbnail: NOVA Saving the Dead Sea Preview

    NOVA

    Saving the Dead Sea Preview

    Can a daring water engineering project revive the Dead Sea without altering its chemistry?

    Saving the Dead Sea Preview

    Video thumbnail: NOVA The Next Pompeii Preview

    NOVA

    The Next Pompeii Preview

    In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.

    The Next Pompeii Preview

    Video thumbnail: NOVA Volcanologists Descend into Mt Vesuvius' Crater

    NOVA

    Volcanologists Descend into Mt Vesuvius' Crater

    Gas samples from Mt. Vesuvius can reveal how close magma is to the volcano's surface.

    Volcanologists Descend into Mt Vesuvius' Crater

    Video thumbnail: NOVA How Do You Get a Rocket to Land Back on Earth?

    NOVA

    How Do You Get a Rocket to Land Back on Earth?

    There's a reason why so few rockets are designed to come back to their launch sites.

    How Do You Get a Rocket to Land Back on Earth?

    Video thumbnail: NOVA Rise of the Rockets Preview

    NOVA

    Rise of the Rockets Preview

    New technologies are promising a new renaissance in space travel.

    Rise of the Rockets Preview

    Video thumbnail: NOVA Decoding the Great Pyramid Preview

    NOVA

    Decoding the Great Pyramid Preview

    New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.

    Decoding the Great Pyramid Preview

    Video thumbnail: NOVA Kīlauea: Hawaiʻi on Fire Preview

    NOVA

    Kīlauea: Hawaiʻi on Fire Preview

    Scientists journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi.

    Kīlauea: Hawaiʻi on Fire Preview

    Video thumbnail: NOVA Einstein's Quantum Riddle Preview

    NOVA

    Einstein's Quantum Riddle Preview

    Join scientists as they grab light from across the universe to prove quantum entanglement.

    Einstein's Quantum Riddle Preview

    Video thumbnail: NOVA Ultima Thule is Surprisingly Flat

    NOVA

    Ultima Thule is Surprisingly Flat

    This discovery could have a big effect on how scientists think about planet formation.

    Ultima Thule is Surprisingly Flat

    Video thumbnail: NOVA Days Before Flyby, Ultima Thule Still Mysterious

    NOVA

    Days Before Flyby, Ultima Thule Still Mysterious

    NASA's New Horizons spacecraft is about to visit the most distant object ever explored.

    Days Before Flyby, Ultima Thule Still Mysterious