nazaneen mashiri, al jazeera, central african republic. >> cu find out the latest at our website, aljazeera.com. a show about innovations that can change lives. humanity and we are doing it in a unique way. this is a show about science by scientists. let's check the team of hardcore nerds. 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.

nazaneen mashiri, al jazeera, central african republic. >> cu find out the latest at our website, aljazeera.com. a show about innovations that can change lives. humanity and we are doing it in a unique way. this is a show about science by scientists. let's check the team of hardcore nerds. 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 treatmen

nazaneen mashiri, what do they think they can do that's different from all the others that's unsuccessful? >> well, in a way this is just another very expensive peace keeping mission for united nations in africa. but the difference the u.n. says with this is that the number of troops that is around 10,000 in a country the size just of over france, in the population of 4 million, should be able to make a difference. and they will have strong powers and a mandate to arrest criminals and also to disarm people. so those are the main differences between this and previous missions. but they face a huge task in this country. you have armed groups roaming around the country side and villages, targeting different groups. you have the civilian population really afraid for their lines at this moment and you have rebel groups known as selica that carried out the coup last year, controlling the mineral wealth, the diamond and gold mines. so all of this is a lot for u.n. to take on at the moment. >> of course being a failed state there is no type of government. do the people there feel these peace keep