things. it has helped me on tests and stuff. >> apparently, the country likes it as a sport, but i'm praying they start looking at the research of the brain. i'll tell ya what, it is far more fascinating now than computers. i'm shocked at the beauty of the mental capacity. you can actually train memory. we all know you can improve it. but to see an alex mullen memorizing a deck of cards in under 17 seconds. >> alex mullen burst on to the memory scene the last few years. he's also a firm believer that these memory techniques aren't just for show. but they can change the way we learn. >> i felt like i didn't really have a very good memory. i was doing things in school and forgetting things, getting frustrated. i picked up this book called "moon walking with einstein" that talks about memory competitions and techniques. that hooked me.