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.
Other Videos That May Interest You:
Defying Gravity
What happens in our brain when we view an optical illusion? The information gathered by the eye is processed in the brain to create an idea or image that does not match with a physical measurement of the stimulus source.
Gotta Share! The Musical
For our latest mission, a musical breaks out at the GEL Conference in New York. A speaker is suddenly interrupted by a man who refuses to turn off his cell phone. This is the fourth in our series of Spontaneous Musical projects.
Vedic Astrology Basics with Howard Beckman 2
What can a vedic astrologer tell you? Howard Beckman of Vedicworld.org discusses the knowledge of the soul and the science of timing.
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?
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.)