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Birds and wasps do it. So do octopuses, otters, polar bears and dolphins. A surprising number of animals use tools, and scientists say there are some widespread misconceptions. Among them: Using tools isn't a sign of intelligence, and animals don't need fingers to be crafty with tools.

All this week we've been hearing what it's like being physically disabled in Iowa. Reports from Iowa Public Radio's Rob Dillard have highlighted many…

Time is running out for European leaders to find a way out of their debt crisis and salvage the euro as the single currency for 17 nations. As they prepare for a European Union summit next week, French President Nicolas Sarkozy and German Chancellor Angela Merkel have presented their plans to their respective countries.

The border between Afghanistan and Pakistan is at the center of controversy. Last week, NATO forces on the Afghan side fired across at what they thought were insurgents, and killed two dozen Pakistani soldiers. Officials are investigating.

The U.S. secretary of state arrived in the capital of Naypyidaw to test the country's first civilian government in decades on its commitment on issues such as severing military and nuclear ties with North Korea. She was scheduled to meet senior Myanmarese officials as well as opposition leader and Nobel peace laureate Aung San Suu Kyi.

The U.S. secretary of state arrived in the capital of Naypyidaw to test the country's first civilian government in decades on its commitment on issues such as severing military and nuclear ties with North Korea. She was scheduled to meet senior Myanmarese officials as well as opposition leader and Nobel peace laureate Aung San Suu Kyi.

Healthpoint Services says it has a business model that will not only help the world's low-income populations — but also make a profit. Based in India, the company offers patients videoconferences with doctors, cheap diagnostic tests and clean water. And it hopes to spawn imitators as it proves it can be profitable.

Healthpoint Services says it has a business model that will not only help the world's low-income populations — but also make a profit. Based in India, the company offers patients videoconferences with doctors, cheap diagnostic tests and clean water. And it hopes to spawn imitators as it proves it can be profitable.

Zynga, the company behind popular Facebook games such as Farmville and Cityville, is expected to have its initial public offering before the end of the year. Zynga is a phenomenon. More than 200 million people play its games each month. One person who doesn't feel Zynga's success is cause for celebration is video game designer Ian Bogost. Bogost thinks Zynga's games are mindless, designed to suck money out of players' pockets. To make his point he created a parody game of his own. As On the Media's P.J. Vogt reports, what Bogost didn't expect is that his satire would become one of the most popular games he's ever made.

Austrian economist Friedrich Hayek's arguments for free-market capitalism and against socialism and central planning made him a popular figure in 1940s America — and again today. His book got a boost last year when Glenn Beck discussed it on air. But some say Hayek and his book are misunderstood.