265 episodes

Some of the world's greatest scientists, doctors and medical researchers share their discoveries and visions onstage at the TED conference, TEDx events and partner events around the world. You can also download these and many other videos free on TED.com, with an interactive English transcript and subtitles in up to 80 languages. TED is a nonprofit devoted to Ideas Worth Spreading.

TED Talks Science and Medicine TED Talks

    • Science

Some of the world's greatest scientists, doctors and medical researchers share their discoveries and visions onstage at the TED conference, TEDx events and partner events around the world. You can also download these and many other videos free on TED.com, with an interactive English transcript and subtitles in up to 80 languages. TED is a nonprofit devoted to Ideas Worth Spreading.

    • video
    The search for our solar system's ninth planet | Mike Brown

    The search for our solar system's ninth planet | Mike Brown

    Could the strange orbits of small, distant objects in our solar system lead us to a big discovery? Planetary astronomer Mike Brown proposes the existence of a new, giant planet lurking in the far reaches of our solar system -- and shows us how traces of its presence might already be staring us in the face.

    • 13 min
    • video
    What it's like to live on the International Space Station | Cady Coleman

    What it's like to live on the International Space Station | Cady Coleman

    In this quick, fun talk, astronaut Cady Coleman welcomes us aboard the International Space Station, where she spent nearly six months doing experiments that expanded the frontiers of science. Hear what it's like to fly to work, sleep without gravity and live life hurtling at 17,500 miles per hour around the Earth. "The space station is the place where mission and magic come together," Coleman says.

    • 6 min
    • video
    Small rockets are the next space revolution | Peter Beck

    Small rockets are the next space revolution | Peter Beck

    We're in the dawn of a new space revolution, says engineer Peter Beck: the revolution of the small. In a talk packed with insights into the state of the space industry, Beck shares his work building rockets capable of delivering small payloads to space rapidly and reliably -- helping us search for extraterrestrial life, learn more about the solar system and create a global internet network.

    • 11 min
    • video
    The next software revolution: programming biological cells | Sara-Jane Dunn

    The next software revolution: programming biological cells | Sara-Jane Dunn

    The cells in your body are like computer software: they're "programmed" to carry out specific functions at specific times. If we can better understand this process, we could unlock the ability to reprogram cells ourselves, says computational biologist Sara-Jane Dunn. In a talk from the cutting-edge of science, she explains how her team is studying embryonic stem cells to gain a new understanding of the biological programs that power life -- and develop "living software" that could transform medicine, agriculture and energy.

    • 14 min
    • video
    The link between fishing cats and mangrove forest conservation | Ashwin Naidu

    The link between fishing cats and mangrove forest conservation | Ashwin Naidu

    Mangrove forests are crucial to the health of the planet, gobbling up CO2 from the atmosphere and providing a home for a diverse array of species. But these rich habitats are under continual threat from deforestation and industry. In an empowering talk, conservationist and TED Fellow Ashwin Naidu shares how community-driven efforts in South and Southeast Asia are working to protect mangroves -- all with a little help from the mysterious and endangered fishing cat.

    • 5 min
    • video
    A love story for the coral reef crisis | Ayana Elizabeth Johnson

    A love story for the coral reef crisis | Ayana Elizabeth Johnson

    Over the course of hundreds of scuba dives, marine biologist Ayana Elizabeth Johnson fell in love -- with a fish. In this ode to parrotfish, she shares five reasons why these creatures are simply amazing (from their ability to poop white sand to make colorful "wardrobe changes") and shows what's at stake -- for us and them -- as climate change threatens the future of coral reefs.

    • 6 min

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