Phil Plait: How to Defend Earth From Asteroids
What's six miles wide and can end civilization in an instant? An asteroid - and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them.
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Julian Baggini - Is There A Real You?
One of the best known philosophers in the UK, Julian will ask the question 'Is There A Real You? He will draw on the research supporting his latest book 'The Ego Trick' and challenge our audience to reflect on their understanding of the 'Self'.
The Power of Introverts
In a culture where being social and outgoing are prized above all else, it can be difficult, even shameful, to be an introvert. But, as Susan Cain argues in this passionate talk, introverts bring extraordinary talents and abilities to the world, and should be encouraged and celebrated.
Alexander Tsiaras: Conception to Birth - Visualized
Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)
Janet Echelman: Taking Imagination Seriously
Janet Echelman found her true voice as an artist when her paints went missing -- which forced her to look to an unorthodox new art material. Now she makes billowing, flowing, building-sized sculpture with a surprisingly geeky edge. A transporting 10 minutes of pure creativity.
iO Tillett Wright: Fifty Shades of Gay
Photographer iO Tillett Wright grew up between genders and sexualities. She's shot 2,000 people who consider themselves somewhere on the LBGTQ spectrum and asked many: can they assign a percentage to how gay or straight they are?