My friend Phil Plait is one of the smartest people I know. He’s an astronomer and author with real enthusiasm for his subject, which he put on display recently at at TedX conference in Boulder. In his 14-minute presentation, he described the dinosaur-killing asteroid that hit the Earth 65,000,000 years ago and how modern-day scientists are developing solutions to deal with the threat of our planet being devastated by another such impact…
For more on this subject from Phil, get his book “Death From The Skies” and check out his Bad Astronomy blog, one of the most-read science blogs in the world.