shini somara with kosta grammatis and phil torres. now phil's got a really fascinating story, but it's also an adorable one. >> guys, i've never been jealous of a dog before until i met these dogs. they actually travel around the world saving endangered species and they also fight invasive species right here in the u.s. so let's go to montana and take a look. >> near polson montana biologist aimee hurt is using one of the most effective tools available to prevent an invasive species infiltration. her four legged, furry partner - wicket, is a conservation dog---trained to sniff out endangered species as well as invasive species. >> when did this idea of using dogs in conservation first get started? >> field biologists have taken their pet dogs out with them all the time when they are looking for something ... and dogs are like oh you're looking for this i can help you with this let me point it out...what conservation dogs do differently is that...maybe this month we're working on one thing and the next month we're working on something

kosta grammatis is behind the wheel of the future testing out a driverless car . rachelle oldmixon is an environmental scientists. i'm phil torres, an entomologist. now let's do some science. ♪ ♪ >> hey guys welcome to techknow where we bring you life changing innovations in the field of science. i'm phil torres and i'm here with kosta rachelle and lindsay. >> when we think of camp lejeune, we deal with soldiers to go into the field. but there's an epidemic with soldiers returning with completely invisible wounds, i'm talking about ptsd. be camp lejeune has innovative ways of technology to combat this problem. the ugliness of war has made an indelible mark on the minds of many americans. and can linger longer after deployment has ended. posttraumatic stress disorder or ptsd was first diagnosed in 1980 but has existed for as long as there has been war. >> clearly it appears the underlying cause of those conditions were the same as the underlying causes whraf what we call posttraumatic stress. we know very little of what is at the cellular level of what's causing th

kosta grammatis is behind the wheel of the future