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:
Humpback Whale Shows AMAZING Appreciation After Being Freed From Nets
Michael Fishbach, co-founder of The Great Whale Conservancy (GWC), narrates his encounter with a young humpback whale entangled in local fishing nets.How To Restore Your Faith In Humanity
Lost faith in humanity? These 10 moments may help you restore your faith in our species.Meditating with Sarah McLean
Sarah McLean is passionate about teaching and sharing what she's discovered about the modalities of mind/body health, natural access to creativity, and self awareness.A Beautiful Relationship - Savannah Cat MAGIC and Andreas Stucki
This is a short video about the world's tallest domestic cat, MAGIC (and probably the biggest - yet to be confirmed at 27-9-09) and Andreas Stucki the charming son of Martin and Kathrin Stucki. MAGIC is a F1 Savannah cat bred and raised at A1 Savannahs and now owned by Bella Gattini Cattery owned and run by Lee and Kim Draper.Sean Carroll: Distant Time and the Hint of a Multiverse
At TEDxCaltech, cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.





