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

hey guys, i'm phil torres joined by kosta grammatis and dr. shini somara. when you think chattanooga tennessee, you don't necessarily think of a digital hub but in fact it's the fastest internet in the western hemisphere. >> how fast is the interent at your apartment? >> i think it's about eight megabits per second. in chattanooga, every resident has 1000mega bits per second, a whole mega bite, a giga bit for them to use. >> wow, so how long would it take to download an entire movie? >> two minutes. it's lightning fast. >> two minutes, it goes so fast. >> let's just go to chattanooga and watch movies all day. it's incredible. >> i'm totally in. but hang on, the us ranks 26 on the global scale of internet speeds. >> so why is chattanooga so advanced compared to the rest? >> well, if you go outside chattanooga, they are still using satellite and dial-up to get online. there's nothing else. >> really seems like that town in tennessee represents the digital divide that we don't just see in the us, but what we see around the world. let's take a look. >> it's 5pm