Before and After Einstein

Currently Playing: Surviving a nuclear attack - Irwin Redlener

View full lesson: http://ed.ted.com/lessons/surviving-a-nuclear-attack-irwin-redlener The face of nuclear terror has changed since the Cold War, but disaster-medicine expert Irwin Redlener reminds us the threat is still real. He looks at some of history's farcical countermeasures and offers practical advice on how to survive an attack. Talk by Irwin Redlener.