. >> it works on theork 6 a scientist who first discovered how to turn stem cells into these. these lds cells grows into any type of cell in the body but this new technique skips that stage. >> we jumped over the stem cell state and gone directly from a cell into a beating heartell witut turning that cell into a stem cell. >> that breakthrough voids run of the risks to treat humans, they can grow unpredictably and can lead to cancerous tumors. >> that hurdle of cellular therapy would not have to been done due to direct programming. >> she cautious that other potential cancer risks need to be researched. but still, the docr believes that labs around t world will use the same strategy on a variety of cell types. >> we think this can occur for brain cells, it may be possible for pancreatic cells to make insulin but one by one over the next year you'll see this sort of paradigm shift for most cell types in the body. >>> san francisco's embarcadero was once the gate wy to the west for shipping and getting the cargo around was the responsibility of a little known railroad. >> theate

purge theork of everythin el. >>ven i materials of peonal charactezati they look more like a photo on a passport or -- no posing. >>t's interesting since you have difficulty on recognizing faces how did you focus in on be a portrait artist. >> besides face blindless i was severely learned disabled and couldn't add or subtract or multiply or divide. >> crlie dyslexia. >> well in the ely 40s you didn't know that you were just dumb and lazy. what hapnedas i d to find a way to distinguish myself from my colleagues. i was no good at a lot of other things, virtually everything. it wasn't that i cared more. i just -- wasn't more talented i had all my eggs in that basket and if this doesn't work out -- >> why faces? >> well,i'm really glad he painted appl but i don't want too that and i a ince i face blind i wan to commit images to memory and richard a a sculptor -- i couldn't a sculptor. i'm flat. when i tried i only did it on one side. if i look at you and you move your head half an inch it's a new head i've never seen

so our best hope is that the power company can be quick about theork and get those lines back out of the way, the rightaway. and from there put us in a position to operate later on. >> how many pple will be affected? is there any way for you to alert them of this problem? >> we've already sent out trai talk messages. and if they are in our e-mail alert system they would be getting those alerts already as well. so you're talking several thousand people, upwards of 8,000 or 9,000 that ride the manassas line. yore talking about a sizable number. but most of them are in our system and in our e-mail alert tomoow. so most of the people have received motivation at this point of the pending danger. >> did you say how many people a affected? >> we carry about 8,000 passenger trips a day. >> a couple more questions. first of all, what is the ne of the power company that's responsible for those lines? >> if i'm not mistaken, i believe it's dominion that has the power lines to the edsell road area. >> what about the fredericksburg line, is that affected at all? >> no. service on the frederickurg