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:
Noel Bairey Merz: The Single Biggest Health Threat Women Face
urprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the remarkably different symptoms women present during a heart attack (and why they're often missed).
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.
Marina Marchese - Beekeeper
There are many health benefits when it comes to local honey. Honey Sommelier and Beekeeper Marina Marchese from Red Bee Honey in Weston explains how honey is made.
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.
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.