smithkline who makes this drug. here's what they had to say. the company continues to believe avanedia is an important treatment for patients with type 2 diabetes. ali? >> now, this restriction, this ruling by the fda, is that it -- people who can't be treated with something else can still get avandia. >> they can. i'll tell you, ali, i've talked to many doctors about this. they say, look, we think pretty much 99% of the paetschs out there can be treated with something else. they done the really see a reason why you'd want to use avanedia. some patients have said to the fda, don't take away avanedia, we love it. a lot of doctors say there's no reason for anybody to be taking this drug at this point. in europe they are moving towards taking it off the market very soon. >> wow. elizabeth, thanks for clearing that up. elizabeth cohen in atlanta, our senior medical correspondent. >>> our big i is the x-prize foundation, a nonprofit organization. the foundation creates and manages prizes for innovators to solve some of the greatest problems facing the world today. they think big. there are four categories of x-prize, exploration of space, the ocean and otherunexplored frontiers in order to improve and extend life. next is the life sciences category, to improve health and decrease suffering. the energy and environment x-prize is water resource management, energy distribution and storage. clean energy and energy efficiency and finally, the education and global development x-prize is pushing for major development in agriculture, capital education and health and water. i want to introduce my guest peter diamondus, a friend of mine, he's been on our show before, because when we talk about our big i, i think the people like peter. this guy thinks bigger than most people i have ever met. peter, thank you for joining us. >> ali, a pleasure. great to see you, my friend. >> i want to talk about this x-prize that -- let's talk about first of all how you got started on this idea with respect to the x-prize. >> i wanted to be an astronaut since my childhood and found out my chances of becoming an astronaut through nasa were 1 in 1,000. so i was reading about lynnburg that he crossed the atlantic in 1927 to win a $25,000 prize and that prize drove nine teams to spend $400,000 and they only paid the winner. how great is that? if i can create a prize for private spaceflight, that could be my tick tote space. we had a $10 million prize, drove 26 teams, spent $100 million. today we have virgin galactic and john carmac space adventures. >> there's math who goes into this, in addition to the people doing the engineering. when i talk about the x-prize, i was talking about the google lunar x-prize. someone said to me, how do you -- it would cost way more money than that prize to create a vehicle that goes to the moon and does what you want. tell me about the google lunar x-prize and explain this business about how it's not you're doing it just to get this prize money but it has this multiplier effect. >> the google lunar x-prize is a $30 million cash purse that google's put up for the first time. all you have to do is build a robot, land it on the surface of the moon, send back photos and videos. we have 22 teams who entered the competition. it turns out recently that nasa has put up another 30 million in contracts, a great public/private partnership. but teams really think they can do it for $30 million. maybe it's $40 million but when we constrain them to do it for less money, they really have to innovate and drive breakthroughs. that's where the breakthroughs me from. where teams that come up with brand new ideas, large corporations or governments would never try because they're risky but by definition, that's a breakthrough. >> so what do you -- when somebody asks me how can that prize pay for that thing, you're attracting people who otherwise might have been working on this or want to benefit from the idea that if they win this prize, it then attracts other investment into whatever problem you're trying to solve? >> exactly. so we design the prize as a back-end business model. we're really trying to bring entrepreneurs from around the world who come with a different way of thinking about this challenge. they say i'm going to solve it this way, burt ruttan thought he could fly to space originally for the $10 million purse. he ended up spending $26 million of paul allen's money. on the back end of this was a multibillion dollar industry of private spaceflight. now virgin galactic is off and selling tickets. that's the model. we get the entrepreneur, they spend their hard-earned cash, other people's investments, they take large risks and if they do it, there's this giant increase in publicity, markets are created, capital flows in and we drive a new industry. >> god, you are such a big thinker. we love having you on the show and we love the work you do. i've seen you in action. i've seen you motivate people to do things that changes the world. the thing i want to talk to you about, we'll have to do it another time. i want to talk about one of the x-prizes next that you were influential in creating. one of the things i want to talk to you about, you don't stop at anything. you want to solve some of the big problems that the world faces, big problems some of us can't get our heads around. peter, always a pleasure for being with us. >> because we can. >> i love the attitude. that's what we bf][2410do, peter diamandis, ceo of the x-prize foundation. >>> how many miles per gallon does your car get? imagine getting 100 miles per gallon. it's been done. it's connected to the x-prize. i'll introduce it to you next. sure i'd like to diversify my workforce, i just wish that all of the important information was gathered together in one place. 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