and dinesh d'souza author of "life after death the evidence." sanjay, in your book you talk about the idea what we used to think of as the lines between life and death, this black and white thing is changing. >> yeah. i mean, we had this sort of conventional wisdom that it's a binary thing. one moment you're here, the next moment you're not. i think scientifically we know that's not true. death is very much a process. things happen in the body. things happen at all different levels of the body. the good news is really at so many points during that process things can be reversed. you can start to look at that death as a process and turn it in the other direction which i found incredibly fascinating. >> deepak, in a recent pew poll they discovered 30% of catholics believe in reincarnation and for the first time ever, more people, 49% say they have had a mystical or religious experience. more than say they haven't. what's happening? ha do you make of this change? >> lots of things are happening. first of all, there's a lot of interesting science no

>> well, it's interesting, you know, listening to both jim and dinesh.regard to near-death experiences. if that's the beginning of your spectrum. scientists try to explain a lot of things away scientifically. the tunnel can be explained away by a lack of blood flow to the back of the eye. lose peripheral vision, tunnel. seeing the deceased relatives is a cultural thing, for example, in western cultures. eastern africa, people having near-death experiences tend to see things they wish they have done in life. that tends to be their cultural thing they have. having said that, what's interesting, i wanted to tell you and dinesh, when i was researching fis thr a long time, i was thinking i could explain it away physiologically. things i heard and validated and believed convinced me there were things i could not explain. things that were happening at that moment, that near-death experience moment that could not be explained with existing scientific knowledge. that's where you have to put the spirituality and answer and reasoning on the table when it comes to t