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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Religion, Evolution and Self Ascendency: Why Good People are Divided by Politics and Religion
Psychologist Jonathan Haidt asks a simple, but difficult question: why do we search for self-transcendence? Why do we attempt to lose ourselves? In a tour through the science of evolution by group selection, he proposes a provocative answer.
Living Goddess - Zeffi Kefala
Zeffi Kefala is a native Greek who has been living in the U.S. for the past twenty-four years. At the age of nine, she was able to read cards for her mother's friends and things would occur that she predicted - but for her at the time it was all in fun. Her life would take many turns before coming back to her gifts.
Amy Cuddy: Your Body Language Shapes Who You Are
Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy shows how power posing can affect testosterone and cortisol levels in the brain, and might even have an impact on our chances for success.
The Holstee Manifesto: Lifecycle Video
The Holstee Manifesto is a call to action to live a life full of intention, creativity, passion, and community.
Britta Riley: A Garden in My Apartment
Britta Riley wanted to grow her own food (in her tiny apartment). So she and her friends developed a system for growing plants in discarded plastic bottles -- researching, testing and tweaking the system using social media, trying many variations at once and quickly arriving at the optimal system.