Gutsy girls skateboard, climb trees, clamber around, fall down, scrape their knees, get right back up -- and grow up to be brave women. Learn how to spark a little productive risk-taking and raise confident girls with stories and advice from firefighter, paraglider and all-around adventurer Caroline Paul.

As founder of the Ig Nobel awards, Marc Abrahams explores the world's most improbable research. In this thought-provoking (and occasionally side-splitting) talk, he tells stories of truly weird science -- and makes the case that silliness is critical to boosting public interest in science.