Science vs

Nuclear War... Total Annihilation?

Nine countries, including North Korea, have nuclear weapons. What would happen if a nuclear bomb was dropped-- say, in New York City? We talk to nuclear historian Dr. Alex Wellerstein, nuclear engineer Dr. Tetsuji Imanaka, and epidemiologist Dr. Eric Grant. UPDATE 04/27: We've adjusted this episode to correct the elevated risk of cancer in survivors of the…