<http://schema.org/description>
"Nine countries can now deliver nuclear warheads on ballistic missiles. At least three of those countries -- the U.S., Russia and China -- could strike any target anywhere in the world. Do you know what makes a nuclear bomb so deadly?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/nuclear-bomb4.htm>