>> joining us now al jazeera correspondent lindsay moran. lindsay, i'm vuk b struck by ths that brandon is telling you in conversations with him. we assume there is really human intilings thaintelligence that d the targets. >> signal intelligence, cell phone, intercepts, anything electronic. if you look at a geolocation watch list for drone strikes, you would assume that has human names, individuals who pose an imminent threat. but it's actually just a list of serial numbers or sim card numbers. the bad guys on the ground are savvy, they know it is their cell phones that are part of the target. they can switch sim cards they can give their phones to someone else thereby negating the certainty that if someone is struck they're the ones that are killed. >> not to receive a list that says john jones, ed brown or something, it is numbers they are looking for essentially the cell phone. >> there are individuals that they are trying the go after but the way these individuals are identified and tracked is primarily through their cell phones. there's

and that's why i'm joined by "techknow's" ex-cia operative, lindsay moran, and cara santa maria who can explain it from a neuroscience perspective. now, i've seen "molly" as a club drug but as a therapeutic drug? >> the military once used this as what they imagined could be a truth serum and now there's evidence that suggests that it could help ptsd sufferers. >> yeah and you know, scientists have long been intrigued by the sort of empathic benefits of mdma but now for the first time, there's an fda backed study so that they can see if these results are scientifically quantifiable. >> this serene treatment room nestled in the woods of south carolina... couldn't be further than the pulsing lights and booming music at this electronic music festival. at festivals and nightclubs the illegal drug "molly" or "ecstasy" is part of the culture. called "molly" or "x" on the street, mdma is really methylenedioxy-methamphetamine. it's a psychoactive drug first developed as a blood-clotting agent - later patented as a diet drug. when taken, mdma acts on the brain by causing the neurons to release mo

hey guys welcome to techknow, i'm phil torres joined by lindsay moran and marita davison. as you guys know, when i do my science it's all spiders and butterflies. but when i'm in the field i love going to peru. the rainforest there is amazing but the last time i was there and i looked out the window flying in and i noticed a huge section of forest was missing. you have to be talking about the devastating impacts of gold mining, of illegal gold mining that's been hitting peru, my home country bolivia, and the entire region really it's been happening for the past few decades. phil since you first brought this story to techknow the question we've been asking is, can anything be done to stop the destruction of the rainforest, or even restore it? those are the big questions and thanks to a team we joined on the ground there in peru, we're starting to get some answers... and there is hope. >> the amazon rainforest. legendary, primeval, it's home to 10 percent of the world's known species. its ancient trees remove millions of tons of carbon dioxide a year from the atmosphere. and

. >> 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

. >> the man who had his finger on the trigger, a conversation with al jazeera's lindsay moran. >> thanks for joining us i'm joij. joijoie chen. drone strikes, politician he see them as a trusted force for stopping evil but could they do morear

. >> the man who had his finger on the trigger, a conversation with al jazeera's lindsay moran.