http://adf.ly/1SZdI2, http://adf.ly/1XIsTW, http://www.ctvviet.com, http://www.nhac24.com <br />Nigeria Elections: The Key Issues; Scott Kelly`s One Year Mission in Space <br />Today on CNN Student News: Find out what issues were on the minds of Nigerians, as voters in Africa's largest democracy went to the polls. Discover how an astronaut on a 340-day mission to the International Space Station will become one of the experiments being conducted. And lend your ears to an invention that aims to extinguish fires with low-frequency sound waves.
