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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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.)
The Psychology of Your Future Self - Video by Dan Gilbert
Dan Gilbert shares recent research on a phenomenon he calls the 'end of history illusion,' where we somehow imagine that the person we are right now is the person we'll be for the rest of time.
Anita Moorjani's Near Death Experience
This is a video interview of Anita Moorjani that recounts her near death experience.
Neale Donald Walsch - How to Break Free from Poverty & Hard Times?
Neale Donald Walsch is an American author of the series Conversations with God. Before writing the Conversations With God series Walsch worked variously as a radio station program director, newspaper managing editor, and in marketing and public relations.
Stewart Brand: The dawn of de-extinction. Are you ready?
This video is Stewart Brand's Ted lecture on the scientific challenges and moral issues surrounding the resurrection of extinct species.