Urban designer Mitchell Joachim presents his vision for a new organic architecture in which homes are grown rather than constructed.

There is still no effective vaccine against malaria, and during the time span of this 15 minute presentation 27 people die of malaria. Destroying them with laser is a proposed solution. It sounds expensive and impractical, but judge for yourself.

An interesting talk from illusionist and endurance artist David Blaine about pushing the limits of the human body.

A powerful, inspirational - and at times humorous - lecture by acclaimed Nigerian writer Chimamanda Adichie about identity, prejudice, misunderstanding, and the danger of single stories.

Daniel Pink speaks about the problems of traditional, extrinsic motivations - the carrot and stick / financial reward approach. This approach, typically employed by today's business managers, actually stifles creativity and reduces performance. Intrinsic motivation is key.

Can marshmallows be used to predict future success? Joachim de Posada explains the landmark experiment with young children on delayed gratification and self discipline. Includes videos of children in Colombia trying hard not to eat the marshmallow.

What can be done to prevent the outbreak of viruses like swine flu? Virus hunter Nathan Wolfe aims to discover new, deadly viruses before they become widespread.

Pleasant things work better while design that makes you fearful or anxious can paralyze you. Donald Norman explains how design can impact the way you think and act.

Siftables are intelligent, cookie-sized digital blocks with little displays on them. These futuristic toys can do math, play music and can even be used to create stories all by moving around and re-arranging the blocks.

A mind-boggling talk from Nobel Prize in Physics laureate George Smoot about how the universe could have formed, with stunning images and animations from deep-space surveys.

Martin Seligman talks about moving away from the 'disease model', Positive Psychology, happiness, flow and positive intervention.

"Johnny Lee demos his amazing Wii Remote hacks, which transform the $40 game piece into a digital whiteboard, a touchscreen and a head-mounted 3-D viewer."

"They want to be the next Einstein" - speaking of bright and ambitious young Africans applying to the African Institute for Mathematical Sciences (AIMS) he founded.

David Gallo showcases the amazing life beneath the oceans of which only 3 percent has been explored. Among the awe-inspiring creatures shown are hypnotic bioluminescent marine life and an octopus that perfectly camouflages itself through pattern, color, brightness and texture.

"The Nets most celebrated lawyer" Larry Lessig argues that copyright law needs an injection of 'common sense'. He argues that the law should be changed, because the majority of young people obtain digital information from illegal sources.

Contrary to popular belief, our ancestors were far more violent than we are. Today we probably live in the most peaceful time of our species' existence.

Using photos of oft-snapped subjects (like Notre Dame) scraped
from around the Web, Photosynth creates breathtaking multidimensional

Tony Robbins' inspirational talk on how to unlock your true potential. From TedTalks 2006.

Malcolm Gladwell (best-selling author of The Tipping Point and Blink) explains what every business can learn from spaghetti sauce, and why we have so much choice in food nowadays.

A follow-up to Al Gore's famous "Inconvenient Truth" presentation. What can we do to avert the crisis of global climate change?

Education guru Sir Ken Robinson makes an entertaining (and profoundly moving) case for creating an education system that nurtures creativity, rather than undermining it.