, and we are throwing one forensic lab at the problem. you can catch 20 people a year. is that nearly enough to scratch of the surface? >> no. >> you guys, moving on to something that is tragic to something that is hopeful and fun. you have to play fridays by with the rob o. >> designed by high schoolers, this los angeles team got go all the way to china, but they are robots. it's a call story. we'll check it out after break. >> at the height of the cold war >> we're spies... intercepting messages from embassies, military bases... >> one of the america's closest allies... >> we were not targeting israelis... >> suddenly attacked >> bullet holes... ...just red with blood... >> 34 killed... we had no way to defend ourselves >> high level coverups... never before heard audio... a shocking investigation >> a conscience decision was made to sweep it under the rug... >> the day israel attacked america only on al jazeera america live. >> on techknow, >> we should not be having earthquakes in texas >> the true cost of energy hits home... >> my ya

, and we are throwing one forensic lab at the problem. you can catch 20 people a year. is that nearly enough to scratch of the surface? >> no. >> you guys, moving on to something that is tragic to something that is hopeful and fun. you have to play fridays by with the rob o. >> designed by high schoolers, this los angeles team got go all the way to china, but they are robots. it's a call story. we'll check it out after break. >>> welcome back to techknow, i'm phil torres, joining me is marita davison, and kosta grammatis. for all of us being a scientist required one important thing when we were younger, and that was a mentor. i know for me it paved the way to being an intoe meteorologist. >> me to. i had -- intoe mollo gift. >> me two, i had mentors. >> i was in an electronic store hanging out with the owner, gadgets. >> that was it for you. >> after high school. >> you recently went to las vegas, to meet a mentor and his team of high schoolers. vegas. >> i can't tell you everything that happened in vegas, but i will tell you that the kid

, and we are throwing one forensic lab at the problem. you can catch 20 people a year. is that nearly enough to scratch of the surface? >> no. >> you guys, moving on to something that is tragic to something that is hopeful and fun. you have to play fridays by with the rob o. >> designed by high schoolers, this los angeles team got go all the way to china, but they are robots. it's a call story. we'll check it out after break. >> an all new airplane in a once in a generation achievement of human ingenuity. >> three years late... fleet grounding... fires on the airplane... >> they're short changing the engineering process... >> from engineering to the factory floor... al jazeera investigates broken dreams: the boing 787 only on al jazera america . >> on techknow, >> we should not be having earthquakes in texas >> the true cost of energy hits home... >> my yard is gone... >> are we destroying our way of life? >> contaminated water from the fracking activities come here >> they stick it to the core of the earth >> but this cutting edge techno

some dna from michelle's body and belongings, but detectives knew it would be months before a forensic labreport whether any suspect was a match. meanwhile, investigators were starting to scan through a promising new piece of evidence, security video from the warehouse's parking lot. could the clue they needed be somewhere in those thousands of frames of footage? >> there it is. >>> coming up -- >> it was nerve-racking. >> another elimination round. this time the lie detector test. and police soon detected something was up. >> he stops himself at the door and says, no, no, no, i'm not doing this. sensitive bladder? never miss a chance to dance... introducing a revolution in bladder leak protection. new always discreet. up to 40% thinner, for superior comfort. absorbs 2 times more than you may need. for dance-all-you-want protection. no wonder more women already prefer new always discreet pads over poise. new always discreet. now bladder leaks can feel like no big deal. because hey, pee happens. visit alwaysdiscreet.com for coupons and your free sample. today i'll show you the best way butt

they have been taken to the state police forensics lab and experts believe they could be more than atury old. >> these are very fragile. you have roots growing through the bones and through the dirt that's surrounding the body. >> experts will try to piece those bones together as best they can, then try to determine the age, sex and ancestry and also possibly obtain dna. >>> now to an amazing discovery in rush sharks the remains of a woolly mammoth produced the only intact mammoth brain known to science. these remains were discovered four years ago but researchers are just now getting a look at the brain. the animal is believed to have died 39,000 years ago. researchers say this finding allows them to learn much more about mammoth behaviors. >> wow. >> pretty cool. >> yeah. >> okay, this is pretty cool, too, as long as you're not the guy on the other side of the camera. we know that a roommate grabbed his camera when he saw his buddy in the middle of a rather unique cleaning session. >> when you have to clean you just got to get it done whatever way. >> you got to boogie. >> like thi

the remains were about 6 feet underground, they were taken to the state police forensic lab and experts now believe they could be more than a century old. >> remains are fragile. we have roots growing through bones and dirt surrounding the body. >> well, experts will try to piece bones together as best they can to determine the age, sex, and ancestry plus obtained dna. >>> well, happy birthday to the united states marine core celebrating number # 239 today in south philadelphia. >> this was a chance meeting at this celebration that was almost 70 years in the making. steve paterson has that story. >> reporter: birthday party unlike any other. south philadelphia celebration of sem per fi. >> i knew the marine core hyme which i was in the womb. >> reporter: this tribute and military tailgate has been held here outside cookies tavern. but on this monday the core's 239th birthday, something even more special happened. >> d dave. >> it was one of the worst battles marine core ever had. >> reporter: world war two vet ray maylen fink a battle of the one of the most bloody bat unless american hi

fish and wildlife forensic lab and it's the only kind of it's kind in the world.his hip in major problems in long-term survival of a number of critically endangered sees sees. >> i know our sister channel has been doing work on this. has it been focusing on international trafficking cases? >> well, it focuses on a large variety of cases that range from deer hunted out of season to pelicans killed during the bp oil spill and even high profile international poaching cases. we covered a story of a smuggling team bringing in rhino horns into the los angeles area. but not all cases wind up being criminal. the golden eagle that we covered in the slip was most likely killed by a power line which is not necessarily a natural death but not a crime. >> what happened in the rhino horn smuggling case. >> rhinos are one of the most critically endangered species on the planet. there are less than a hundred of them left. in this case it was driven by an operation called operation crash meant to bring the smaller smuggler to justice. the smugglers pleaded guilty to five charges a

it's the same forensic lab. they got the dna profile of barnes october 28th.y got a warrant for his home, they went to the supermarket where he lives. they were ready to arrest him because he had called in and said i'm going to pick up my paycheck. he never came to pick up his paycheck and that's when he fled. >> do you think he was wise, somehow, that he was on to him? >> that's a good question. you'd want your paycheck, right? >> and they think that maybe he knew they were coming from him? >> they didn't tell me. but commonsense says, i'm going to come pick up my paycheck and then don't show up. >> really quickly, you mentioned the notion that it was jesse matthew in the same jurisdiction where they were trying to do so much tieing to other missing persons cases. now they've got this guy to deal with as well? >> unbelievable. same jurisdiction. they are taking a gps on a car and he got the car in may, trying to see where he went with the car to see if anybody turned up missing. >> keep us posted. obviously you have a good source and you're working a lot of g

remains were taken to the state police forensic lab. there was autotomiesing. diana has been working as a an throw follow goodies for 30 years. >> basically putting a puzzle together. >> reporter: when they excavated the remains she was able to determine it could be more than 100 years old. >> they are very fragile. we have roots growing through the bones and through the dirt that is surrounding the body. >> reporter: and once donna finishes sifting through the dirt she will put bones together in hopes of getting as close to this as possible. >> and then determine, if i can the age of the individual or individuals, the sex of the individuals, their ancestors, their height. >> reporter: if the bones are for more than one body it could be hard to match them up that may be impossible to tell with the doing dna if you are able to get death na off these bones. >> reporter: people living next door are making no bones bit, they want to know more about the remains. >> it sparked interest of what the history is going back from the 1800's, 1900's. >> curious to see what

david jennings is the program director of the forensic oncology lab at the university of california sanncisco. it's grea to see you because we've been working it together for several years. i appreciate your expertise. >> for those folks that don't understand the risk of smoking, it doesn't just affect the lungs. it's body. >> right. cheryl, it's great to be here and thank you so mucfor your help and advocacy to get the word out. smoking is a total body phenomenon and you inhale it through the best drug delivery organ we have which is the multiple football field size airway space of the lung and the carcinogens are absorbe very quickly and they travel througut the body and they wreak havoc throughout the lungs regarding ncer and also the poorly combusted smoke and the copd and the emphezema is a dominant problem and it causes peipheral vascular disease. if it weren't for the nicotine buzz, nobody would do it. >> i watched this in my own family because my parents both smoked and like a lot of people i grew up in a smoking household. i can only imagine. i'm wondering if that affects peopl

lab coats. >> bergman: there is one forensic science that everyone agrees is valid: dna. unlike many of the forensic sciences which were developed by law enforcement, dna analysis was developed by medical science and has been subjected to decades of rigorous scrutiny. >> dna is the principal example of real science at work. dna really is the only discipline among the forensic disciplines that consistently produces results that you can rely on with a fair level of confidence. >> when we looked at all the cases of people who have been exonerated by dna evidence, we found that in 60% of those cases, experts who testified for the prosecution produced either invalid evidence or the misapplication of science in their testimony. >> bergman: in other words, dna has called into question the basic reliability of many of the other forensic sciences. >> what we're talking about with forensic science is systemic failure. 'r're talking about using techniques, using equipment that's never been validated scientifically. >> bergman: but police and prosecutors say they need to use every to

cnn's susan candiotti went to the teaching lab of john jay college and spoke with the forensic scientistthe autopsy performed by the st. louis medical examiner, and a second autopsy requested by the brown family and performed by dr. michael baden. koblinski shows us where the shots that were fired hit brown, and what we can learn from it. >> doctor, can you show us how many wounds there were? >> it looks like there were at least seven shots, perhaps eight. a grazing wound to the right palm near the right thumb. a wound to the forearm, which has both exit and entrance features. there is a grazing wound to the right bicep, a wound to the upper right arm. two shots to the chest. one to the right forehead. the so-called kill shot which entered at the very top of the crown of the skull. >> this is the first shot because there was a struggle described in the car between michael brown and officer wilson? >> it is consistent with the struggle. what we can say is that hand was very close to the gun when it went off. >> and there appears to be material which is likely gun residue? >> that is corre

forensic experts from argentina to sample the remains. then they did a search trying to figure out which best lab could handle the remains.d chars. they'll send those to austria. they're hoping the results are negative. >> thank you for being there. be safe. we'll get back to you. >> a sickening story. hope we can get answers very soon. >>> meanwhile, is the that i mean silicone valley synonymous with lily white? we'll look at howdy versety affects top countries in the u.s. >>> anxieties grow in ferguson as we a wait the grand jury's decision to indict the office per in the shooting of michael brown. we'll go speak to michael brown's attorney. stick around. so i can reach ally bank 24/7, but there are no branches? 24/7 it's just i'm a little reluctant to try new things. what's wrong with trying new things? feel that in your muscles? yeah... i do... try a new way to bank, where no branches equals great rates. how can in china,sumption impact wool exports from new zealand, textile production in spain, and the use of medical technology in the u.s.? at t. rowe price, we understand the connections of a complex, global economy.