![Irwin Redlener: How to survive a nuclear attack](https://pi.tedcdn.com/r/pe.tedcdn.com/images/ted/414c7fc5b55ac6204b19cec54724e337f6f8c0f0_1600x1200.jpg?h=200)
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.