TED Talks Daily (HD video)

Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and cancer, sharing how their biological origins may be connected -- and treatable with the same therapeutics. A call to challenge dogma and break down traditional silos in science, with the hope of saving lives.

"Be spreaders of facts and truths," says scientist and immunologist Dr. Anthony Fauci. Having advised seven US presidents on various disease outbreaks including COVID-19, he shares insights on the present and future of pandemics, backed up by decades of experience in public health. Hear him dive into the latest on protecting yourself from the virus, his unwavering faith in science, what he plans to do after retiring (or "rewiring") -- and soak up some hard-won wisdom for the next generation. (This conversation, hosted by TED science curator David Biello, was part of an exclusive TED Membership event on September 20, 2022. Visit ted.com/membership to become a TED Member.)

Low-status neighborhoods in the US are often stuck between stagnating assistance from the government and gentrification at the hands of real estate developers. The result is that the brightest minds are convinced that "success" means leaving town. Urban revitalizer Majora Carter has a solution: What if we treated these communities like struggling companies? She presents a restorative economic approach to capitalism, which seeks to retain talent, build resilient communities and prove that you don't have to move out of your neighborhood to live in a better one.

Philanthropy disruptor Sara Lomelin thinks communities can build power through collective giving and the model of "giving circles": groups of people with shared values who come together to make change, strengthen their social fabric and help diverse solutions get funded. Learn the four steps to start a thriving giving circle in your community -- and see how thousands of people worldwide are already part of this movement to usher in a new era of philanthropy that is democratic and joyful.

Nuclear power is one of the safest, cleanest forms of energy -- yet to most people, it might not feel that way. Why is that? Isabelle Boemeke, the world's first nuclear energy influencer and creator of the social media persona Isodope, deftly debunks the major objections to nuclear power and explains her unconventional way of educating people about this clean energy source.

"We all have our own beautiful ways of moving, and this is worth celebrating," says dancer and choreographer Ryan Heffington. Inviting you to reconsider your connection to dance, he shows how even everyday experiences -- tying your shoes, rocking a baby, whisking up some mac and cheese -- can offer choreographic inspiration and help you find joy and release when you need it most. After the talk, dancers Nico Lonetree and Ryan Spencer perform a dazzling routine infused with the humor and beauty of daily movements.

When we ditch our assumptions, new ideas can enter the world, says filmmaker Zach King. In an entertaining talk full of props and surprises, King shows us the trick to regaining our sense of childlike wonder through the power of storytelling -- and a bit of magic.

What does it mean to lead in this new age of employee activism? Megan Reitz offers a four-point crash course on what employees want from their organizations and how leaders can rise to the challenge of building proactive and productive workplaces where every voice and perspective has the chance to make a difference.

Creating functional prosthetics at a fraction of the cost of imported tech, bionic innovator and TED Fellow Enzo Romero shares a groundbreaking model for designing 3D-printed assistive technology sourced from recycled materials -- built in and for his native Peru. Hear how Luke Skywalker's bionic hand in Star Wars inspired Romero to pursue mechatronics engineering and help people with disabilities and limited resources fully live again.

Mass surveillance is worse than you think, but the solutions are simpler than you realize, says lawyer, technologist and TED Fellow Albert Fox Cahn. Breaking down the crude tactics law enforcement uses to sweep up massive amounts of data collected about us by our everyday tech, he lays out how new legal firewalls can protect the public from geofence warrants and other surveillance abuses -- and how we might end the looming dystopia of mass surveillance.

The promise of the metaverse extends far beyond digital spaces -- it can transform and enrich how we experience the material world, too. From video games that bring communities together to digital art that collides with physical spaces, augmented reality designer Sutu shares some of the incredible creativity that's sparked by AR metaverse technology and invites us all to participate in building its future.

As climate change accelerates, finding clean alternatives to fossil fuels is more urgent than ever. Social entrepreneur Vaitea Cowan believes green hydrogen is the answer. Watch as she shares her team's work mass producing electrolyzers -- devices that separate water into its molecular components: hydrogen and oxygen -- and shows how they could help make green, carbon-free fuel affordable and accessible for everyone. "This is how we end the fossil fuel era," Cowan says.

What if you could create new music using your favorite musician's voice? Sharing her melodic gifts with the world, multidisciplinary artist Holly Herndon introduces Holly+, an AI-powered instrument that lets people sing with her own voice. Musician Pher joins her onstage to demonstrate this mind-blowing tech while singing into two microphones -- one that amplifies his natural voice and another that makes him sound just like Holly.

Among the dinosaurs, giant sea dragons roamed the ancient ocean. Millions of years later, paleontologist Dean R. Lomax and his team freed the remains of one of these colossal creatures from the Earth. Settle in to learn about the once-in-a-lifetime discovery of the 10-meter-long Rutland ichthyosaur: the largest and most complete ichthyosaur ever unearthed in Britain and one of the greatest finds in the country's paleontological history.

Is capitalism a good thing? Journalist Katherine Mangu-Ward makes the case that "weirdos" left alone to innovate and explore far-out ideas in a free market system are our best hope for the future. She asks us to reconsider our qualms about capitalism, failure and corporate death, analyzing the recent history of General Motors and Facebook to illustrate why we're better off with a lot less government intervention.