and for instance jared diamond who is a geographer in new guinea and who are thought to be some of the best prescientific and he began discussing those that post the battle for the travel warriors often have nightmares and if a nightmare was something that you could find in the furthest reaches -- >> host: very common in the current sufferers. >> guest: it's the symptom of ptsd the nightmare. they are theoretically in mortal universal and central to the current. but there are other aspects of it that have evolved and that is one of the argument that i make in the book is the culture is more important than biology and ptsd. and how we are trained to experience and manifest the symptoms and a flashback is also considered to be one of the ptsd ptsd. researchers at king's college went back and examined the memoirs and accounts of the soldiers who had served before the age of cinema and discovered that the flashback was really not fair and he is accounts. and furthermore if you look at the account of the civil war veterans, they are far more likely to describe their intrusive symptoms by sp

for instance jared diamond who is a geography -- geographer at ucla has spent a lot of time with the tribes of new guinea and the mckinney and tribes are thought to be some of the best preserved pre-scientific human societies. he discovered that post-battle travel warriors often have nightmares and the nightmare something you can find in the furthest reaches of human history. >> host: very common in current ptsd. >> guest: a write-down some people consider to be the signature symptom of seat -- ptsd the nightmare. there are parts of it that are theoretically immortal universal and central to her current symptoms but there other aspects that have evolved and that's one of the arguments i make in the book. coulter is more important in biology in ptsd. >> host: how people experience it. >> guest: yeah how we are trained to experience the manifest symptoms and the flashback is considered to be one of the cardinal symptoms of ptsd but in the early 2000 a group of researchers from king's college went back and examine the memoirs and accounts of soldiers who had served before and discovered

and for instance jared diamond is a jogger for delete the -- geographer spent times in new guinea for the best preserved societies and he discovered talking to travelers that the post-battle with warriors often have nightmares and it's something that you can find in the furthest reaches of human history you find evidence of that. >> host: aerie common in the current suffering. >> guest: people consider it to be the symptom of ptsd the nightmare so there are parts of it that are theoretically a mortal comedian ever so and central, but there are other aspects of it but have evolved and that's one of the arguments i make in the book is that culture is more important in biology than ptsd. >> host: and how people experience it. >> guest: how we are to explain and benefits benefits sometimes. and it's also considered to be one of the cardinal symptoms of ptsd. but in early 2008 group of british researchers at king's college went back and examined the memoirs and accounts of the soldiers who have served before the age of cinema and discovered that the flashback wasn't really there and if you

jared diamond said if you want to understand the modern world and if you have room on your shelf for only one book this is your book. so before handing it over let me single out two reasons why i think the arguments, the approach of the book matter to us at the world bank group. so first, i quote from chapter 4 which is headed by some countries developed while others stayed poor. there are three points here. first, economic growth was a diffusion process starting in one small part of the world, britain and gradually diffusing and evolving all over the planet. second the patents of diffusion are discernible. they are not just a mystery. third, many different kinds of factors have been at play during the past 250 years and the relative importance of these factors continues to change especially as technologies evolve. and the second reason i think this matters is because of jeff's insistence throughout the book on improved country specific diagnostic using diagnostic checklist. so for those of you here working on jobs diagnostics his arguments and approach i think are really helpful to

jared." equals neil diamond. you see? [ laughter and applause ] they're starting to get it now.haracter. if you take daria. >> steve: sure. >> jimmy: plus a twinkie. >> steve: yeah. >> jimmy: it equals a minion. [ laughter and applause ] >> steve: new math. >> jimmy: look, elijah wood. >> steve: sure. >> jimmy: this is a tricky one. divided by mariah carey. >> steve: yep. >> jimmy: equals carrie underwood. you see what i'm saying? >> steve: oh, i see. >> jimmy: i mean, i'm just trying to make it -- it makes math fun again. >> steve: you're making it popular mathematics. >> jimmy: if you take gargamel, the villain from "the smurfs." >> steve: sure, everybody takes him. >> jimmy: add a megaphone. >> steve: got it. >> jimmy: it equals dick vitale. >> steve: there you go! [ laughter ] >> jimmy: yeah, baby! ptp, baby! ptp! this one's kind of complicated. you've got al gore, plus gonzaga, plus ebola. equals gorgonzola. [ laughter ] [ applause ] >> steve: that was a three parter. >> jimmy: yeah. >> steve: that was a three parter. >> jimmy: and finally, if you take tony the tiger plus w

expect to have to call the wildlife service but that's what happened to jared smith in sydney australia. >> a [ bleep ] huge diamond bison in our kitchen. >>> oh no. >> that would be a snake that's 6 1/2 feet long. >> it got in the box of cornflakes? what was he going for? >> hungry. >> maybe looking for the prize at bottom of the box. >> probably was. >> that thing is in your kitchen long enough to find its way into the box of cornflakes. >> i'm trying to make my [ bleep ] food. look over. [ bleep ]. out in the kitchen [ bleep ] scared the life out of me. he called his dad and they called the wildlife service. it was relocated to bushland but probably in there because it wanted to feel secure. >> oh my god! >> speaking of snake-like check out this wry neck that is a bird. look how it can turn its head. it can turn his head nearly 180 degrees. looks like one of those toys you press with your thumb and it bends and folds and bends. >> a defense mechanism? >> exactly a defense mechanism. this is a threat display. when you disturb its nest, 4 did do that. >> if lookslook jovial. >> thanks for picking me up. >> got my