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How Nuclear Bombs Work
science.howstuffworks.com/nuclear-bomb.htm
Nine countries hold the 13,000 nuclear weapons in the global stockpile. That's less than during the Cold War but it doesn't change the fact that these bombs are still a threat to global humanity. So how do they work and are we close to nuclear war?
Christmas Traditions Around the World
Each country has its own unique way of celebrating the Christmas season. Learn about Christmas traditions around the world, from England to Ethiopia.