Why friendship can be just as meaningful as romantic love | Rhaina Cohen

Hollywood needs to stop resisting what the world actually looks like, says actor, director and activist America Ferrera. Tracing the contours of her career, she calls for more authentic representation of different cultures in media -- and a shift in how we tell our stories. "Presence creates possibility," she says. "Who we see thriving in the world teaches us how to see ourselves, how to think about our own value, how to dream about our futures." Hosted on Acast. See acast.com/privacy for more information.

8 Marras 15min

Your blood should have more in common with ketchup than just color, says chemical engineer Sean Farrington. Demonstrating the flow of everyday products like shampoo, peanut butter and ketchup, he makes the case for expanding the use of blood viscosity as a medical diagnostic, much like blood pressure. Learn more about the little-known field of rheology and how it could save lives — if taken seriously. Hosted on Acast. See acast.com/privacy for more information.

7 Marras 11min

When conservationists talk about rewilding, most people picture wolves and bison roaming endless landscapes — but Isabella Tree discovered the real revolution is happening in ordinary backyards. She shares the incredible story of how she and her husband transformed their failing farmland into a nature paradise, offering a three-step formula for anyone looking to turn their green space wild. Hosted on Acast. See acast.com/privacy for more information.

6 Marras 12min

What if the next Lionel Messi or Simone Biles is out there right now ... but no one knows? Sports scientist Richard Felton-Thomas shows how new AI tools are expanding the reach of talent discovery in sports, helping scouts find the next great superstar — and letting athletes showcase their skills from anywhere in the world. Hosted on Acast. See acast.com/privacy for more information.

5 Marras 12min

What if you had an AI-powered assistant — that took initiative on its own? Technology leader Swami Sivasubramanian believes AI agents are the future of work, capable of sparking new levels of productivity and creativity. Demystifying the workings of autonomous software systems, he explains what they are (and aren’t) and advocates for a world in which AI handles the boring stuff, so you can focus on what matters. Hosted on Acast. See acast.com/privacy for more information.

4 Marras 19min

The AI revolution and our aging power grid are on a historic collision course, threatening to stall innovation and raise energy costs for everyone. Physicist and AI grid futurist Varun Sivaram reveals how we might turn this looming crisis into a once-in-a-generation opportunity — unlocking massive power capacity, lowering costs and accelerating the energy future we’ve been waiting for. Hosted on Acast. See acast.com/privacy for more information.

3 Marras 14min

Did you know that you start losing muscle mass as soon as the age of 30? Author and surfer Bonnie Tsui explores how to build strength as you age with Chris Duffy, host of the "How to Be a Better Human" podcast. Watch as Bonnie tries to teach Chris how to surf while weaving in lessons on the benefits of weightlifting, maintaining mobility and adding more movement into your life.This episode is part of a series of bonus videos from "How to Be a Better Human." You can find the extended interview on the TED Audio Collective YouTube Channel. Hosted on Acast. See acast.com/privacy for more information.

2 Marras 46min

"Confidence is the necessary spark before everything that follows," says educator and activist Brittany Packnett Cunningham. In an inspiring talk, she shares three ways to crack the code of confidence -- and her dream for a world where revolutionary confidence helps turn our most ambitious dreams into reality. Hosted on Acast. See acast.com/privacy for more information.

1 Marras 15min