dr shini somara is a mechanical engineer. tonight saving baby grace. doctors try a cutting edge treatment to heal this little girl's brain, infusing her with her own umbilical cord blood. treatment? >> we hope it rescues the brain >>> and a mother's incredible journey to help her girl. dr crystal dilworth is a molecular neuroscientist. stint she introductions us to a scientist out to change the i'm phil torres. i'm an entomologist. . that's the team, let's do some science. bsh [ ♪ music ] >>> hey, any, welcome to "techknow", i'm phil torres, joined by crystal dilworth, and shini somara. you are about to take us on a journey, an experimental matthews. >> this is an emotional piece. we followed the retrieval of grace's umbilical cord blues cell, and we had access to where they condition those cells for treatment in the hope of saving her life. let's take a look. >> reporter: it was just after 8:30 by the time sara matthews, her mum and baby grace stepped out of the pick-up truck. and into the north carolina night. this isn't the first time they have come

i'm phil torres, joined by shini somara, and dr crystal dilworth.very year 30,000 americans are dying on the roads. this is still happening despite things like safety belts and airbags and active safety systems. shini, you looked at technology that may give us a crashless future down the road. >> yes, 30,000 faltalties is a -- fatalities is a shocking statistic, some caused by impaired driving. of the remainder, 80% could be avoided using this technology. i went to ann arbor to check it out. let's take a look. [ ♪ music ] >> reporter: ann arbor pammela micheo, a quintessential college town, home of the university of michigan and its transportation research institute where they are developing and testing the future of driving. >> i'm trying to kill him. >> reporter: that was a genuine alert that you were about to collide into a car in front. the city is a big field test for vehicle to vehicle or v2v, a fleet of vehicles talking to each other electronically. you say the vehicles are talking snag. >> in a small range, 200m, the vehicles are sending out

dr shini somara is an engineer dr shini somara is an engineer and i'm phil torres, i'm an and i'm philorres, i'm an entomologist. entomologist. that's the team, that's the team, let's do some let's do some science. science. [ ♪ music ] [ ♪ music ] >>> >>> hey, guys. hey, guys. welcome to "techknow". welcome to "techknow". i'm phil torres, with me kyle i'm phil torres, with me kyle sil, cara santa sil, cara santa maria, and maria, and lindsay moran. lindsay moran. lindsay moran, the only c.i.a. lindsay moran, the only c.i.a. operative - you are the in-house operative - you are the in-house security specialist. security specialist. you got me to look at a smart you got me to look at a smart gun coming with controversy. gun coming with controversy. >> that's right. >> that's right. we talk about the controversy we talk about the controversy later. later. first let's look at the first let's look at the technology. technology. ironically after years of ironically after years of working for the c.i.a. in danger working for the c.i.a. in danger zones, i tried out gamutry zones, i tried out ga

dr shini somara is a mechanical engineer. tonight saving baby grace. doctors try a cutting edge treatment to heal this little girl's brain, infusing her with her own umbilical cord blood.

dr shini somara is an engineer and i'm phil torres, i'm an entomologist. that's the team, let's do some science. [ ♪ music ] >>> hey, guys. welcome to "techknow". i'm phil torres, with me kyle sil, cara santa maria, and lindsay moran. lindsay moran, the only c.i.a. operative - you are the in-house security specialist. you got me to look at a smart gun coming with controversy. >> that's right. we talk about the controversy later. first let's look at the technology. ironically after years of working for the c.i.a. in danger zones, i tried out gamutry worth -- gadgetry worthy of james bond in the sense of a high tech handgun. let's have a look. >> reporter: when i worked at the c.i.a. and had to sometimes carry a gun, i worried as a woman that i could be overpowered and have my gun taken and used against me. now, as a mum of two young boys, gun safety is a huge concern in my household. according to the latest statistics, each day approximately five children are killed or injured by guns. the newest smart gun, the ip1 is designed to alleviate both of these con

dr shini somara is an engineer. tonight cars learning to communicate with each other.ars equipped with electronic smarts reduce accidents and increase safety.

dr shini somara is a mechanical engineer. tonight saving baby grace.

we have this report in southern shini somara. >> reporter: it's a day this small town was taken over by forces. the few people start to return one after the other. this woman god back from a forest. she came back alone. her children are in hiding. few businessmen are willing to open businesses. to deal with these, the commander calls a meeting to assure them. >> translation: we told the people they'll never see al-shabab again. we have decided to put troops in every village, towns and roads and advised them not to fear. >> reporter: there's little confidence. these men are not sure how long the government troops will remain in town, and are unsure of the fighters. lack of trust made up of clan militia man is a concern the government has to deal with. whatever happens, there's no way they'll treat them like al-shabab. it's shocking that they are not trusted. government officials say it's the final onslaught against al-shabab fighters, and are vowing not to leave any town or village. it will not be an easy task. the local governor says they have a plan. >> translation: it's the people

dr shini somara is an engineer. tonight cars learning to communicate with each other. can cars equipped with electronic smarts reduce accidents and increase safety. we hit the streets and road test

dr shini somara is a mechanical engineer. tonight saving baby grace.ry a cutting edge treatment to heal this little girl's brain, infusing her with her own umbilical cord blood. treatment?