With all the intensity and brilliance for which he is known, Alan Kay envisions better techniques for teaching kids by using computers to illustrate experience in ways -– mathematically and scientifically -- that only computers can.

The "dismal science" truly shines in this optimistic talk, as economist Alex Tabarrok argues free trade and globalization are shaping our once-divided world into a community of idea-sharing more healthy, happy and prosperous than anyone's predictions.

Nandan Nilekani, the visionary co-founder of outsourcing pioneer Infosys, explains four brands of ideas that will determine whether India can continue its recent breakneck progress.

What do 24,000 ideas look like? Ecologist Eric Berlow and physicist Sean Gourley apply algorithms to the entire archive of TEDx Talks, taking us on a stimulating visual tour to show how ideas connect globally.

At TEDGlobal 2010, author Matt Ridley shows how, throughout history, the engine of human progress has been the meeting and mating of ideas to make new ideas. It's not important how clever individuals are, he says; what really matters is how smart the collective brain is.

Being alone takes its toll. Feel like it's time to make a real connection? Third-wheel with Rainn Wilson (star of "The Office") as he dates some of the best ideas on TED.com and discover your perfect "idea mate" along the way.

From the TED archives: The legendary graphic designer Milton Glaser dives deep into a new painting inspired by Piero della Francesca. From here, he muses on what makes a convincing poster, by breaking down an idea and making it new.

In a world of too many options and too little time, our obvious choice is to just ignore the ordinary stuff. Marketing guru Seth Godin spells out why, when it comes to getting our attention, bad or bizarre ideas are more successful than boring ones.

People often credit their ideas to individual "Eureka!" moments. But Steven Johnson shows how history tells a different story. His fascinating tour takes us from the "liquid networks" of London's coffee houses to Charles Darwin's long, slow hunch to today's high-velocity web.

About this talk: Great incubators of innovations are not limited to garages in Silicon Valley. Manov Subodh charts three principles for sparking entrepreneurial ventures and ideas in people around the world. From dreaming big to connecting the idea to real people to getting over the fear of failure, he offers case studies that guide us through t...

En un mundo que parece estar dividiéndose, decidimos tomar medidas para unirnos. ¡Lanzamos TED en Español: por primera vez en la historia de TED, en TED2017 tuvimos un bloque entero de charlas en nuestro idioma!

How do we build a society without fossil fuels? Using her native Costa Rica as an example of positive action on environmental protection and renewables, climate advocate Monica Araya outlines a bold vision for a world committed to clean energy in all sectors.