TED Talks Daily

Imagine a boat that propels by moving its "tail" from side to side, just like a fish. That's the kind of machine that TED Fellow Robert Katzschmann's lab builds: soft-bodied robots that imitate natural movements with artificial, silent muscles. He lays out his vision for machines that take on mesmerizing new forms, made of softer and more lifelike materials -- and capable of discovering unknown parts of the world.

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Confronting climate change makes for better cities and a better quality of life, says Heidi Sørensen, director of the climate agency for the city of Oslo, Norway. From construction sites without noise pollution to fully electric transportation, she details the exciting green transition happening in her city. The Norwegian capital's ambitious goal of reducing 95 percent of its carbon emissions by 2030 is driven by a unique policy approach: a world-first carbon budget, which works side by side with the financial budget and clearly states what needs to be done, by whom and when for the city to reach its climate goals. She shares five crucial lessons Oslo has learned along the way to creating a better city for everyone -- and what it could mean for the rest of the world.

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In June 2022, TED's climate initiative, Countdown, launched its Dilemma Series: events designed to look at some of the "knots" in the climate change space, where diverging positions have stalled progress and solidified into an inability to collaborate across differences. The event focused on the question: Is there a role for carbon credits in the transition to a fair, net-zero future? Through TED Talks and conversations featuring scientists, CEOs, activists, politicians, artists, frontline community leaders, investors and more, this film offers a 360-degree view of carbon credits -- a contentious subject that prompted some discomfort, disagreement and, ultimately, a renewed sense of possibility. It's an invitation to listen deeply, keep an open mind and get a little wiser on a complex topic. (Featuring, in order of appearance: Tamara Toles O'Laughlin, John Kilani, Nat Keohane, Julio Friedmann, Donnel Baird, Nili Gilbert, Al Gore, Inés Yábar, James Dyke, Tom Rivett-Carnac, Lindsay Levin, David Biello, Gilles Dufrasne, Kavita Prakash-Mani, Susan Chomba, Gabrielle Walker, Derik Broekhoff, Annette Nazareth)

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We know capitalism exacerbates injustice and inequality worldwide. So how can we fix it? Professor and social entrepreneur Manish Bhardwaj thinks we need to integrate "moral clarity" -- which he defines as "doing the right thing because it is right, and not from fear of sanction or in expectation of reward" -- into society at a foundational level. In this practical talk, he explains how to use the language of moral clarity as a compass for organizations, communities and our personal lives -- and how it could help create a more just world.

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What if we could use the power of DNA to create a sustainable, circular economy? In a talk about breakthrough science, synthetic biologist Jason W. Chin describes his team's work rewriting the genetic blueprint of cells to create a virus-resistant organism -- the largest synthetic genome ever made and a first step towards reimagining what life can become. Learn more about how this advancement could lay the groundwork for the sustainable factories of the future, capable of producing plastics, antibiotics and more.

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When you can't sleep, you're desperate for help. And there's a booming industry waiting to tell you all the ways a lack of sleep can ruin your health -- and to sell you fancy gadgets to help you finally doze off. Shedding light on this flawed doomsday messaging, Dr. Jen Gunter explains why you shouldn't lose sleep over sleep -- and what to do instead. (For more on how your body works, tune in to her podcast, Body Stuff with Dr. Jen Gunter, from the TED Audio Collective.)

From favorite moons to the search for alien life, astronomer Heidi Hammel discusses the latest in astronomy and the breakthrough innovations behind her work with NASA's James Webb Space Telescope. In conversation with science journalist Nadia Drake, Hammel shares how scientists are studying objects that are farther away and older than ever before, searching for answers to how our universe evolved -- and what else might be out there.

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Can we use less energy from fossil fuels while also meeting our transportation needs? Enter shared electric micromobility: the transition away from dependence on cars and towards lightweight transport options like electric scooters, which release a fraction of the carbon emissions of conventional transport. Helping people get around on the world's largest shared electric vehicles system, entrepreneur and Lime CEO Wayne Ting shares how his company redesigned their scooters so parts can be reused and recycled, ultimately reducing their direct and indirect carbon output. "We have to work at building a future of transportation that is shared, affordable, but most importantly, carbon-free," he says.

The "aliens" of Earth live in the deepest parts of the ocean, and marine biologist Alan Jamieson has the photographs to prove it. Explore the depths with Jamieson as he challenges what you may believe (or have been told) really lies waiting in the world's darkest, most remote waters. A fascinating, bizarre and surprisingly peaceful dive into the watery world like you've never seen before.

Actor and activist Jane Fonda discusses her frontline work fighting for climate action, including recent efforts to support climate-minded candidates running for office in the US and to break the fossil fuel industry's stranglehold on the country's government. Hear why she decided to bring her climate activism into the electoral arena after decades of marching, protesting and civil disobedience -- and how anybody can join in and stand up for change. (This conversation, hosted by TEDWomen curator Pat Mitchell, was recorded on October 26, 2022.)

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