Statistician Nic Marks asks why we measure a nation's success by its productivity -- instead of by the happiness and well-being of its people. He introduces the Happy Planet Index, which tracks national well-being against resource use...

2012 may be the year of 3D printing, when this three-decade-old technology finally becomes accessible and even commonplace. Lisa Harouni gives a useful introduction to this fascinating way of making things -- including intricate objects...

Plenty of people need jobs with very flexible hours -- but it's difficult for those people to connect with the employers who need them. Wingham Rowan is working on that. He explains how the same technology that powers modern financial...

It's never too late to reinvent yourself. Take it from Paul Tasner -- after working continuously for other people for 40 years, he founded his own start-up at age 66, pairing his idea for a business with his experience and passion. And...

Entrepreneurs do have to wear a lot of hats, but we need to understand where we fall short and where other people or products could help get the job done. We can’t be an expert in everything or have time to do everything. But some people...

People everywhere are using Zoom to work, take classes, do yoga -- and even get married. The company's CEO and founder Eric Yuan reflects on how they developed the world's most popular video chat software and envisions a digital future...

Another economic reality is possible -- one that values community, sustainability and resiliency instead of profit by any means necessary. Niki Okuk shares her case for cooperative economics and a vision for how working-class people can...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Currency -- the bills and coins you carry in your wallet and in your bank account -- is founded on marketing, on...

Downloadable, printable clothing may be coming to a closet near you. What started as designer Danit Peleg's fashion school project turned into a collection of 3D-printed designs that have the strength and flexibility for everyday wear....

Don't believe predictions that say the future is trending towards city living. urbanization is actually reaching the end of its cycle, says logistics expert Julio Gil, and soon more people will be choosing to live (and work) in the...

Jacqueline Novogratz shares stories of how "patient capital" can bring sustainable jobs, goods, services -- and dignity -- to the world's poorest.

The Inventables guys, Zach Kaplan and Keith Schacht, demo some amazing new materials and how we might use them. Look for squishy magnets, odor-detecting ink, "dry" liquid and a very surprising 10-foot pole.

Can we end hunger and poverty, halt climate change and achieve gender equality in the next 15 years? The governments of the world think we can. Meeting at the uN in September 2015, they agreed to a new set of Global Goals for the...

In this energizing talk, Amory Lovins lays out his simple plan for weaning the US off oil and revitalizing the economy.

Juan Enriquez challenges our definition of bioenergy. Oil, coal, gas and other hydrocarbons are not chemical but biological products, based on plant matter -- and thus, growable. Our whole approach to fuel, he argues, needs to change.

Film producer Jeff Skoll (An Inconvenient Truth) talks about his film company, Participant Productions, and the people who've inspired him to do good.

Engineer RA Mashelkar shares three stories of ultra-low-cost design from India that use bottom-up rethinking, and some clever engineering, to bring expensive products (cars, prosthetics) into the realm of the possible for everyone.

How does cancer know it's cancer? At Jay Bradner's lab, they found a molecule that might hold the answer, JQ1. But instead of patenting it and reaping the profits (as many other labs have done) -- they published their findings and mailed...

Joe Gebbia, the co-founder of Airbnb, bet his whole company on the belief that people can trust each other enough to stay in one another's homes. How did he overcome the stranger-danger bias? Through good design. Now, 123 million hosted...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.



"Freakonomics" author Steven Levitt presents new data on the finances of drug dealing. Contrary to...

India is fast becoming a superpower, says Shashi Tharoor -- not just through trade and politics, but through "soft" power, its ability to share its culture with the world through food, music, technology, Bollywood. He argues that in the...

Working with a team of physicists, Dr. Deborah Rhodes developed a new tool for tumor detection that's 3 times as effective as traditional mammograms for women with dense breast tissue. The life-saving implications are stunning. So why...

The revolution that made music more marketable, more personal and easier to pirate began ... at the dawn of the 19th century. José Bowen outlines how new printing technology and an improved piano gave rise to the first music industry.

Le grand pouvoir des petits dessins



Les dessins sont un langage universel que tout le monde peut comprendre, affirme dessinateur connu sous le nom de "Aster". Joignez Aster pendant qu'il nous démontre comment les...