From synthetic embryos to lab-grown skin, we live in a brave new world of stem cell advances. So why can it still take years to recover from injury? Orthopedic surgeon Kevin Stone is working to accelerate the body's healing response so you could recover in a matter of days or weeks, not months or years.

How stem cells orchestrate healing — and how to speed it up | Kevin Stone

TED is a nonprofit devoted to ideas worth spreading. On this video feed, you'll find TED Talks to inspire, intrigue and stir the imagination from some of the world's leading thinkers and doers, speaking from the stage at TED conferences, TEDx events and partner events around the world. This podcast is also available in SD video and audio-only formats.

News & Politics

Arts

Literature

Performing Arts

Design

Food

Fashion & Beauty

Visual Arts

Technology

Tech News

Podcasting

Gadgets

Software How-To

Science & Medicine

Natural Sciences

Social Sciences

Medicine

Education

Training

Language Courses

Higher Education

K-12

Educational Technology

Techno-optimist Vinod Khosla believes in the world-changing power of "foolish ideas." He offers 12 bold predictions for the future of technology — from preventative medicine to car-free cities to planes that get us from New York to London in 90 minutes — and shows why a world of abundance awaits.

12 predictions for the future of technology | Vinod Khosla

US democracy needs repair —  and care is the answer, says author adrienne maree brown in conversation with writer and activist Baratunde Thurston. In a sweeping discussion on what it means to be an active citizen, they unpack how to design a future for democracy where we all belong.

How to imagine a better future for democracy | adrienne maree brown and Baratunde Thurston

Biomedical researcher Sonia Vallabh's life was turned upside down when she learned she had the genetic mutation for a rare and fatal illness, prion disease, that could strike at any time. Thirteen years later, her search for a cure has led to new insights about how to catch and prevent disease — and how to honor our grandest, most mysterious inheritance: our brains.

My quest to cure prion disease — before it's too late | Sonia Vallabh

One in three workers globally will see their jobs disrupted by AI and tech advancements this decade — but there's a way to stay ahead of the curve. Skill-building strategist Sagar Goel shares practical examples from a partnership with the Singaporean government that helped thousands of workers transition into new careers, offering a lesson on the importance of reskilling and becoming a lifelong learner.

An optimist's take on reskilling in the age of AI | Sagar Goel

In an unflinching look at issues that widen the political divide in the US, journalist and editor Bari Weiss highlights why courage is the most important virtue in today's polarized world. She shares examples of people who have spoken up in the face of conformity and silence — and calls on all of us to say what we believe. (Followed by a Q&A with head of TED Chris Anderson)

Courage, the most important virtue | Bari Weiss

TED Talks Daily (HD video)

How stem cells orchestrate healing — and how to speed it up | Kevin Stone

Download our free app to listen on your phone