Why US politics is broken — and how to fix it | Andrew Yang

What does it take to build a legacy? Hip-hop artist Cordae tells how he went from mixtape-dropping high school kid to Grammy-nominated music star whose "Hi Level" mindset helps him achieve his dreams.

We tend to celebrate leaders for their dramatic words and actions in times of crisis — but we often overlook truly great leaders who avoid the crisis to begin with. Historian Martin Gutmann challenges us to rethink what effective leadership actually looks like, drawing on lessons from the famed (but disaster-prone) explorer Ernest Shackleton.

What if you could code just by talking out loud? GitHub CEO Thomas Dohmke shows how, thanks to AI, the barrier to entry to coding is rapidly disappearing — and creating software is becoming as simple (and joyful) as building LEGO. In a mind-blowing live demo, he introduces Copilot Workspace: an AI assistant that helps you create code when you speak to it, in any language.

Whether or not you believe the world is doomed might depend on where you get your news, says journalist Angus Hervey. He delivers stories of progress that mainstream media organizations missed last year — from advances in clean energy to declining rates of extreme poverty, crime and disease — and suggests we should pay more attention to such occurrences. "If we want more people to devote themselves to the task of making progress, then maybe we should be telling more people that it's possible to make progress," says Hervey.

Democracy may be an abstract concept, but it holds the very essence of our autonomy and humanity, says lawyer and human rights advocate Fatma Karume. Sharing her journey navigating a tumultuous political transition in Tanzania that put her life at risk, she highlights the importance of speaking truth to power and fighting for a brighter democratic future.

There are more than 2,000 firefly species, found on every continent except for Antarctica — an astonishing diversity of movement and light. Firefly scientist Wan Faridah Akmal Jusoh explores the mysteries of these little beetles that light up the night and details her quest to discover and protect new species as their habitats are at risk of disappearing.

Each Sunday, TED shares an episode of another podcast we think you'll love, handpicked for you… by us. Today: an episode from TED Tech. From the construction of virtual realities to the internet of things host Sherrell Dorsey guides you through the latest ideas from TED Speakers, uncovering the riveting questions that sit at the intersection of technology and society.What happens when the data-driven capabilities of AI are combined with human creativity and ingenuity? Shining a light on the opportunities this futuristic collaboration could bring to the workplace, AI expert Shervin Khodabandeh shares how to redesign companies so that people and machines can learn from each other. After Shervin's talk, hear from Sherrell on the potential promises (and pitfalls) of AI-work integration. 

When the world's problems have you weary, journalist and science fiction writer Annalee Newitz suggests a good dose of escapist fiction to refresh your perspective. Step into the whimsical world of science fiction, cosplay and "goblincore" to see how fantasy worlds help us reimagine our relationships with our communities and each other — and why the best way to solve your problems may start with escaping them.

What you experience through your senses — sight, smell, hearing, taste and touch — can impact how healthy you are and how long you live, says neurobiologist Christi Gendron. She explores how environmental cues like temperature, light and even just the sight of death have influenced the lifespan of fruit flies, suggesting your everyday perceptions may have direct repercussions on your ability to live a long, healthy life.

As climate change leads to more and more natural disasters, a group of workers is showing up at one site after another to rebuild and repair. Labor organizer Saket Soni tells the stories of Resilience Force — the group of mostly immigrant workers restoring homes after hurricanes, floods and fires — and describes the unexpected bonds developing between the residents whose lives have been turned upside down and the laborers helping put things back together.