Anjali Tripathi explores planets to uncover the processes that make and destroy them.

Emtithal "Emi" Mahmoud dedicates her time to spreading understanding through poetry and advocacy, particularly for the cause of refugees and disadvantaged communities the world over.

Dr. Luhan Yang is the co-founder and chief scientific officer at eGenesis, working to make xenotransplantation a routine medical procedure for the delivery of safe and effective human transplantable cells, tissues and organs.

Former Georgia House Democratic Leader Stacey Abrams made history in 2018 when she earned the Democratic nomination for governor of Georgia.

Katherine Gehl is a business leader turned political innovator.

Ivan Coyote believes that a good story can help inspire us to invent a better future.

Kristalina Georgieva has helped shape the agenda of the European Union.

SETI's Jill Tarter has devoted her career to hunting for signs of sentient beings elsewhere. Winner of the 2009 TED Prize, almost all aspects of her field have been affected by her work.

Deb Roy studies how children learn language, and designs machines that learn to communicate in human-like ways. On sabbatical from MIT Media Lab, he's working with the AI company Bluefin Labs.

What drove David Sengeh to create a more comfortable prosthetic limb? He grew up in Sierra Leone, and too many of the people he loves are missing limbs after the brutal civil war there. When he noticed that people who had prosthetics weren’t actually wearing them, the TED Fellow set out to discover why — and to solve the problem with his team fr...

We can evolve bacteria, plants and animals -- futurist Juan Enriquez asks: Is it ethical to evolve the human body? In a visionary talk that ranges from medieval prosthetics to present day neuroengineering and genetics, Enriquez sorts out the ethics associated with evolving humans and imagines the ways we'll have to transform our own bodies if we...

Documentary photographer Olivia Arthur has been exploring a new frontier: the evolution of the blurring line between humanity and technology. In this meditative talk, she shows her work documenting the remarkable ways humans have merged with machines -- from bionics and motorized limbs to synthetic muscles and strikingly realistic robots -- and ...

MIT Media Lab founder Nicholas Negroponte takes you on a journey through the last 30 years of tech. The consummate predictor highlights interfaces and innovations he foresaw in the 1970s and 1980s that were scoffed at then but are ubiquitous today. And he leaves you with one last (absurd? brilliant?) prediction for the coming 30 years.

Daniel Kraft offers a fast-paced look at the next few years of innovations in medicine, powered by new tools, tests and apps that bring diagnostic information right to the patient's bedside.