. >> luke marsala is one that benefits from early research. he was given a bleard more than a decadebladder ten yearsago and now lives a healthy life. it is the human impact of the research done here that keeps scientists pushing and breaking new barriers. in the future it is hoped that the work here will pioneer work on complex organs like the heart, lungs and kidneys. >> you're never really fully satisfied with what's being done because you know there's also so much ahead that needs to be done so many more patients can benefit from these technologies. >> reporter: but the strides being made here by a staff from more than 50 countries have already changed lives and are bringing hope to many more, andy gallagher, al jazeera winston salem, north carolina. >>> is a museum is opening in southern france, the chauvet cave museum hosts hosts an exact replica of the caves. the public will be able to see reproductions for themselves. jonah hull reports. >> to enter the cave in the french ardeche is to take a journey into prehistory. >> this is a way t