We could kickstart life on another planet. Sh...

In seven years as a political prisoner in Venezuela, activist Leopoldo López kept asking one question: Who holds the keys to freedom? Now the leader of an alliance of dissidents and exiles from more than 60 countries, he makes the case that open-source, decentralized technology c ...  Show more

Katie Paris quit her career in Washington, DC, to figure out how to make politics feel less like strangers shouting at each other and more like friends looking out for each other. In this practical talk, she reveals why conversations between real people can have a bigger impact o ...  Show more

We now know that the universe is vast and filled with billions of stars. But where could we find life? It's such a big place to search, so why not start with our own solar system. What are we doing to search for life here? Natasha Carr, a PhD candidate studying physics and space ...  Show more

Is there another planet in the universe like Earth? Is there life elsewhere? And if so, how advanced is it? Join us as Sara Seager — astronomer, planet hunter, MIT professor, and MacArthur Genius Grant recipient — presents a mind-blowing progress report on the rigorous search ...

As far as we know life evolved once in the universe – here on Earth in the form of life as we know it. Could life have originated in other conditions with different raw materials? If so, we may be sharing the planet with lifeforms we don’t recognize yet.See omnystudio.com/listene ...  Show more

Are we alone in the universe? Are we one of a crowd? This hour, we travel the cosmos with TED science curator David Biello, exploring where we are in the search for alien life. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and t ...  Show more