This week: Get a bird's eye view of Marrakesh, some midsummer atmospheric fireworks -- and a massive solar plant in China.
According to the UN, almost a billion people live in slums, with numbers set to rise in the future. So where are the world's largest slums?
Greece is short on cash, but rich in heritage. That's got to be worth something.
Around 30 percent of China's Ming-era Great Wall has disappeared over time as adverse natural conditions and reckless human activities.
See where patients are traveling around the world to avoid crippling costs of healthcare in the United States.
Eight decades after the horrors of the holocaust, some are still living with its memory. Among these survivors are victims who escaped, but also those that perpetrated the war crimes.
The FDA announced that companies have to remove trans fats from food in the next few years, but what is trans fat? Is it really that terrible for you?
The CIA released a report on its failures prior to 9/11, yet parts of the report still remain classified. So, what is the government hiding?
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