bringing it back up brings it all back up. you know? i guess i kind of pushed back for a moment. but it s always there. just the choices you make. and i made bad choices. that s all there is to it. coming up, a 13th century castle house is one of the most infamous criminals in the czech republic. did anyone go into a barrel alive? de me what i am today. our science teacher helped us build it. now i m a geologist at chevron, and i get to help science teachers. it has four servo motors and a wireless microcontroller. over the last three years we ve put nearly 100 million dollars into american education. that s thousands of kids learning to love science. isn t that cool? and that s pretty cool.