Video games naturally tap into the way we learn: they focus our attention and track our progress as we head toward a clear goal. Kris Alexander, a professor of video game design and passionate gamer himself, thinks the same elements should be used in traditional education to cater to different learning styles and engage students across the world...

Is there an equation for intelligence? Yes. It's F = T ∇ Sτ. In a fascinating and informative talk, physicist and computer scientist Alex Wissner-Gross explains what in the world that means.

NOTE FROM TED: TEDx events are independently organized by volunteers. The guidelines we give TEDx organizers are described in more detail here: http://storage.ted.com/tedx/manuals/tedx_content_guidelines.pdf "I believe in the transformative power of the outdoors. Everyone should have equitable access to the outdoors. By creating access to natur...

In her inspirational talk Alexia discusses how, although we don't feel like we're enough, we need to step up and make the political framework fit us for a more representative governance and for the good of all.