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We will take it way. Thanks to those students. Thanks to all of you for spending the part of Thurday with CNN student news.

First up today, We are heading to France. That's where President obama and other world leaders are spending the next couple of days. They are at a meeting of the G20. This is a group that represents different economies from around the globe. Originally, the G20 were planning to talk about a deal that the European Union had reached that would help the nation of Greece with its debt crisis.
But, the G20 had to scramble and hold an emergency after Greece's prime minister announced on Tuesday, he wants his citizens to vote on whether or not they want the European bailout. So there are some questions for those leaders to address. You might have some questions, too. What is the G20, how does it start, who's in it.

We are gonna bring in Micheal Holmes to fill in some blanks for us.

Reporter:
The G's really started back in 1975, when you had six countries get together. That was the G6.
You had the U.S, the U.K, Germany, France, Japan and Italy. They were the first, They were the six. They got together actually to talk about what was then the oil crisis that was going on and to have a bit of a confab about it. And then from there, it became an annual thing. They thought why not continue this on. They found it worthwhile. The next year, they added a canada so it became the G7 and a little bit later on, Russia came along and it was admitted and you have G8.

The groups have always attracted critics. In many cases, we have seen in the past violences as well, protesters from trades unions to environmentalists and anarchists as well. A lot of the more extreme protesters blame the members of the G8 for pretty all of the world's ills from debt and poverty in Africa, all the way through to global warming. They show up pretty much to make thier voices heard and say that it's an anachronisitic group and an elite group, that actually, it's far from solving some of the world's problems, it's causing a lot of the world's problems.

Another criticism the G8 has faced is that it is not really representative of the world's great economies. There were those who say ; you've got canada in the G8 but at the same time, you don't have india, you don't have china. The cause , partly of that criticism, we saw, in 1999, the formation of the G20. They added it in another 11 countries, and to be more inclusive countries like Australia. bunch of others. But 11 and 8 equals nineteen. what is the 20th? The European Union. They came along for the ride as well.

U.N secretary general Ban Ki Moon is scheduled to be at the G20 meeting today. Yesterday, he was in Libya. Ban and the current president of the U.N general assembly met with represetatives from Libya's NTC. This is the group that's running Libya's government, now that the country's civil war is over. But the fighting hasn't completlely stopped. Different millitias who fought against former leader Gadhafi's troops are now facing off against each other. Some of these millitias are rivals, some don't trust others. Settling those disputes is a top priority for libya's new leaders.

Stamps are the one way the U.S postal service makes money. But, since fewer people are using the government's service, it's ended up in some pretty bad financial shapes. Yesterday a group of lawmakers released a plan aimed at saving the postal service. It would close some post offices, cancel saturday's mail delivery and let the postal services buy out thousands of employees meaing they'd give them some money to leave their jobs.
These ideas come up before people have gotten angry at the idea of their local post offices closing. And postal unions don't like the buyout idea. Congress would also have to pass the plan that could be a long way off.

It's been five days since a massive snowstrom hit the northeartern U.S. Thousands of people still don't have power. Utility companies are rushing to get things running again, but some folks are getting frustrated.
"Cold. Our food went bad. Like our power went back on for a few minutes and then it -- like the transformer box blew. we want our home back and just to be able to stay in our house and let our kid play there."

Those magnets and radio waves force atoms in your body to move. and that movement may creates a signal that is converted into the pictures. MRIs can help doctors find internal bleeding or infections, but one doctor in Maryland is using this technology to study something you might not immideately associate with medicine : Creativity

Dr. Sanjay explains for the reseach.

Reporter:
All that Jazz, It's improversation. Nearly constant reinvetion and those syncopated sounds are providing vital clues about what creativity looks like in the brain. "so just came up with that? " "That's why it's so bad" "no, it's good."
Dr.Lynn is an ear nose and throat surgeon at John's Hopkins Hospital. His love for Jazz spilled over into his work. "You are listening to Jazz and you said 'I wonder what's going on inside that guy's brain right now'? "that's exactly the question I've had"
The next question, how to measure creativity in the brain.
So doctor Lynn took Jazz musician like David, put them into an MRI machine, and let them improvise. "play melody"
While looking to see what parts of the brain activate, he then expanded his study to an unorthodox group of improvisers. We just may not be what you expect when you are trying to find the center of creativiy in the brain but it could be.

On the screen over here, a guy named A-Clav, he is a freestyle rapper, he's rapping free style right now, while that's happening, we are doing an MRI of his brain, a functional MRI, to find out what lights up and what doensn't. So Jazz musicians and free style rappers are as a model for creativity.

"And what have you found?" 
"This is showing areas of the brain that are active during musical performance and playing piano.
But when you switch to improvisation, you've got this area that's shutting down and you've this area that is turning on."

So could that be the center for creativity?
"It gets really interesting when you start thinking about what those things do. This area that went on tends to be thought of as kind of a self referential, auto biographical kind of area. and This area that shut off tends to be involved in a lot of things but among those things is self inhibition and conscious self-mornitoring."

"So you are inhibiting one part which may be the part nomally prevent you from expressing yourself, and you are amping up the self expression?"
"At a very basic level, I do think that's what is happening.

We love starting off our show with our I-reporter like we did today. We've got this one from Sullivan, Ohio, that was just begging to be part of Before we go segment.