as carl sagan said, "it's pure hubris to assume our tiny blue marble could contain the only intelligent anything. any other explanation. it--it might have been some kind of a prank. maybe some college kids. - why would they bother? - i don't know. all i know is it wasn't from...outer space. all right? - let's agree to disagree, hmm? - let's agree to not even do that. wipe. - what is he doing? - he has a little germ thing. - you afraid of our germs? - not yours in particular. anybody's. - he's not sweating. - yeah, i noticed that too. - how come you're not sweating? - i don't sweat. i--it's a glandular thing. - he was the alpha contact. - he was going like this. what do you think it means? it's some kind of signal. - no, it's not a signal. it--it just helps me concentrate. - can we see your belly button? - no, you may not. what are you doing? - we're showing you ours. now you show us yours. - he has a belly button, okay? pretty sure. - you're pretty sure? but you've never seen it. - he's not an alien. - are you sure about that? 100%? what do you want from us? - how often do you excrete?

just like carl sagan told us how amazing the universe is. your brain is just as amazing.er as the entire number of atoms and particles in the universe. we tell you how to practice mind over brain. you know, how you can tap into your brain, to have it serve you. each of the dvds in the seven dvd library will get you closer to understanding how you can be the master of your brain, not the other way around. how to use your brain, not just simply be a servant to your brain. and we'll give you an understanding of the science in a very simple way. so you get both sides. here's the science that backs it up and here's what's it gonna do for you when you start creating your own super brain. >> wow. it's great, great stuff, and i hope you're looking forward to taking advantage of it. right now, it's time to go back to the next segment of "super brain," but we're gonna be back in the studio with dr. tanzi in a few short minutes. but please show your support for this program right now by using the telephone or using this station's website. now, if you already pledged your support, th

the influence of carl sagan and the many science programs got my interest in science going from when i was a child. i've been watching pbs my whole life. i'll continue to do so. so i really hope you choose to support your pbs station. >> think about what a super brain could do for you. better memory, mood, and concentration, smarter financial decisions, almost effortless weight loss, and help reducing the risk of alzheimer's disease. all possible when you have the right tools, and all based upon the latest scientific research. at the $60-gift level, we say thank you by sending you the complete program you're watching, plus an extensive audience q&a. step up to the $144-gift level and we have "super brain, a user's manual." this exclusive multimedia toolkit includes everything you need to develop your brain into a super brain. this easy-to-master learning system includes dr. tanzi and dr. chopra's hardcover book, "super brain," filled with the fascinating neuroscience and proven action steps you need to enhance your life and brain. we've also included "super brain, the handbook" with