Do kids these days have short attention spans, or does the world just move too slow? Gabe Zichermann suggests that today's video games are making children smarter -- and we should all embrace gamification.
Many African countries are poor for a simple reason, says entrepreneur Magatte Wade: governments have created far too many obstacles to starting and running a business. In this passionate talk, Wade breaks down the challenges of doing business on the continent and offers some solutions of her own -- while calling on leaders to do their part, too.
Elizabeth "Zibi" Turtle has devoted her career to exploring our solar system's nearby worlds. Her latest project is Dragonfly, a robotic rotorcraft-lander designed to explore Titan, Saturn's largest moon.
David Pogue is the personal technology columnist for the New York Times and a tech correspondent for CBS News. He's also one of the world's bestselling how-to authors, with titles in the For Dummies series and his own line of "Missing Manual" books.
Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilinç investigates the hidden risks of sitting down. [Directed by Oxbow Creative, narrated by Addison Anderson].
Emma Marris is a writer focusing on environmental science, policy and culture, with an approach that she paints as being "more interested in finding and describing solutions than delineating problems, and more interested in joy than despair."