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:
Dealing with Ups and Downs: Another Way to Look at It!
In this video Christine Eilvig, founder of The Spiritual Salon, discusses way to build a life you will love.
The Skin Gun
A simple idea backed by stem cell research allows victims of severe burns to heal in merely days.
Esther Perel: The Secret to Desire in a Long-Term Relationship
This video is a short lecture by Esther Perel about The secret to desire in a long-term relationship.
The True Cost of Oil: Garth Lenz
What does environmental devastation actually look like? At TEDxVictoria, photographer Garth Lenz shares shocking photos of the Alberta Tar Sands mining project -- and the beautiful (and vital) ecosystems under threat.
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.