lindsay moran is an ex-cia operative and analyst. >> why is this issue political? dr crystal dilworth is a molecular neuroscientist. >> why does a small segment of scientists not believe? i'm phil torres. i'm an entomologist. >> wow! that was something else, i mean it was a real rush for me. >> that's our team. now let's do some science. [ ♪♪♪ ] >>> hey guys - welcome to "techknow", i'm phil torres joined by lindsay moran, dr. crystal dilworth and dr. shini somara. it's a debate that somehow is still raging on - is the climate changing, is man to blame and is there anything we can do to stop the disaster. most agree the answers is yes. that's most scientists, not all of them. shini, crystal, lindsay, you each had a piece of the story. >> at the c.i.a. i was trained to analyse complex and sometimes contradictory data. climate change fits into that model as well. washington d.c. - politics are part of the equation. no matter what the science is, there's going to be contentious debate. >> i had a different experience. i was dealing with the scientists and citizens who

i'm phil torres joined by lindsay moran, dr. shay somora and dr. dilworth. i just got back with an exciting week of my life, and it was all for science. with you jump on an one-ton tiger shark? well, that's the opportunity i got to do with these researchers based out of university of miami. we went on a boat in the bahamas sbahamas bahamas, in the name of sharks. let's take a look. >> shark on! >> shark. the very name inspires wonder and fear, vilified as the world's ultimate killing machine, but their bad-boy image is all wrong, according to these guys. >> i haven't had a single bad day with sharks in 35 years of doing business. >> if there is a shark around, you're likely to find jim in the water with the camera. >> we have 400 billion years of sharks shaping our ocean's health. and in the last 50 years on my watch we've literally destroyed it. >> one in six of all sharks that have been threatened with extinction . >> the university of miami, one of his primary missions is to study sharks in the wild so policymakers can make good policies based on science.

lindsay moran, science versus the deaf takings of ptsd. soldiers december pri battle. 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

lindsay moran, science versus the deaf takings of ptsd. soldiers december pri battle.atis is behind the wheel of the future

lindsay moran, shows us how mushrooms may replace polystyrene packaging. i'm phil torres, that's our team of scientists, now let's do some science. ♪ ♪ >> it has been another fantastic week of science on the road. we've got crystal, lindsay and marita here. marita, you were basically a very high tech firefighter for a week. tell me about this. >> i was on a story to tell us how we fight the rim fire in yosemite. here it is. this is a very unusual piece of technology. it almost looks like an alien insect. they've got it in a hangar and they're going to fly it up to yosemite and going to be eyes in the sky to generate action from the ground. let's check it out. the size and scope of the wildfire burning in yosemite national park is astounding. larger than the city of chicago at a cost of more than $100 million. the fire that is destroying hundreds of square miles of sensitive ecosystem habitat, for assistance in controlling this inferno, firefighters are turning to the u.s. military for help. called into service and flying high above the flames and smoke of