age can prove harmful and long lasting. For some, making the choice to do drugs at a young age can result in future substance abuse and poorer education outcomes. Neuroscientists at the fralin biomedical research institute at virgina tech found that teenagers who have not done drugs can be influenced to continue making safe decisions when they see other teens play it safe. These teenagers' brains are wired to interpret friends' safe decisions like a reward. These safer decisions can benefit them in the long run--and this is encouraging. Parents can be more confident their teenagers will make better decisions when they spend time with other teenagers who make similarly good decisions. And this can be key in helping the next geneartion of children avoid future substance abuse disorders. A grander canyon --- nasa releasing a new images of a solar system giant.. Arizona's grand canyon has met its match... And it's not even on this planet. Nasa released this photo of a canyon on mars-- the largest canyon in our solar system. It stretches over 25-hundred miles across the martian equator and is seven miles deep. According to nasa-- if on earth-- this valley would span from new york city to san francisco. Scientists at the university of arizona took it with a special camera called hi-rise-- the most powerful camera ever sent to another planet. We have the latest on the violence in the nation's capitol -- and what