. >> we'll share our findings with lindsay moran she's an ex -cia anaylist. that's our team, everything we've been seeing... it's for this... now let's do some science. hey guys welcome to techknow i'm phil torres joined by lindsay moran and marita davidson. this upcoming episode is an important one to me it takes place in peru where i've done alot of my research and it is a tale of contrast we will see a rainforest full of new species and then we will see the devastation that humans have done to extract gold. >> and as we know with devastating stories like this, where there is a lot of damage science can play a role here not just in monitoring and discovering what's going on but in trying to help process. >> i think this is a story having looked at some of the images that one image of the devastation pretty much says it all. >> absolutely, this is an important story it's one that is very near and dear to my heart and it starts in the peruvian rainforest. the amazon rainforest for more than 50 million years it's been a cradle of life. this is what pristine ra

. >> hey guys welcome to techknow i'm phil torres joined by lindsay moran and marita davison. and today we're talking about a story that is dividing the country of nicaragua and it has environmental groups on alert around the world, and of course we are talking about this proposed canal that would go right through the country and it could be huge. >> and phil, this canal project, along with all of the additional development involved with it, would cut through some of the most environmentally sensitive regions of the country. >> and lindsay, i understand behind this project is a chinese national? >> that's right, a very wealthy and influential business man, but someone who has no experience with infrastructure, engineering, the environment, or latin america. in fact there's a lot of speculation that the chinese government might be covertly backing the plan. >> techknow decided to take a closer look at the proposed canal so we decided to go to nicaragua. turns out, it wasn't as easy as we thought it would be. >> our trip begins with a warning from airport security. no pictures a

lindsay, thank you. >>> the russian air power in full force over syria. taking out isis. but they are they helping the syrian president olden to to power? terry moran with a firsthand look at what the russian forces are doing. >> reporter: inside a russian armored personnel carrier, we head towards the front lines to the village of salma, which now lies shattered after a ferocious battle two weeks ago. for three years, rebels against president bashar al assad controlled this strategic village until russian air power arrived. so you came in on the ground and the russians were in the sky? >> yes, yes, yes. >> reporter: and now this is syria? >> yes. >> salma is ours. >> reporter: salma is yours. in the three months since russia joined the fighting here, their forces have turned the tide of battle. massive airstrikes and cruise missile attacks have pulverized regime. we went to the main air base in syria. the jets roaring day and night here. but the u.s., britain and others say russia is helping the assad fighting isis and accuse their forces of indiscriminate attacks that have killed hundreds of civilians. russian general igor konashenkov dismissed t