the discovery crew spending a week-and-a-half docked at the station. bringing with it a new awe moania tank among ammonia tank among other supplies and is scheduled to return to earth on monday. they could be the next crop of nasa engineers, some of the best and brightest young people from across the globe. taking part right now in a robotic competition in thereabou atlanta. it s all about who can create the best robot. with $12 million worth of scholarships on the line. you won t believe what some of the students are coming up with. elizabeth pran takes to us the competition. warn iwarning: 10,000 studen and their manic machines duking it it out for top robot. we re just trying to be consistent, trying to show everybody our skills and just show everybody we re here to compete and here to win. reporter: they descended on atlanta from around the world this weekend, many dressed in outrageous outfits, a long-awaited relief after weeks of designing and building crazy contraption