How Great Leaders Inspire Action
Simon Sinek presents a simple but powerful model for how leaders inspire action, starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers -- and as a counterpoint Tivo, which (until a recent court victory that tripled its stock price) appeared to be struggling.
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Annie Murphy Paul: What We Learn Before We're Born
Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that shows how much we learn in the womb -- from the lilt of our native language to our soon-to-be-favorite foods.
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.
Global Warming - Can We Risk It?
A new way to think about the climate change debate, with over 13 million total views on various postings.
Joan Halifax: Compassion and the True Meaning of Empathy
Buddhist roshi Joan Halifax works with people at the last stage of life (in hospice and on death row). She shares what she's learned about compassion in the face of death and dying, and a deep insight into the nature of empathy.
The Skin Gun
A simple idea backed by stem cell research allows victims of severe burns to heal in merely days.