disparity? >> well, certainly the bone would be the same, the soft tissues, as you know, everything falls down by gravity. as we get older, the nose elongates, the ears elongate. you would certainly see a very different image in the younger versus the older individual. >> what is -- >> also -- >> go ahead. >> i was just going to say, also the images i have seen of da vinci show him with a beard. and so the beard will mask a lot of things. it will hide a lot of things. you wouldn't be able to see the lower part of his face. >> what is likely to be in a 500-year-old set of bones, presuming there's anything still there. is there dna left or what? >> there could be dna left. it's according to the condition of the remains. it's according to how well preserved they were. i understood that -- or i understand that actually, he was exhumed or disentombed and moved hundreds of years ago. so they have to find out, first of all, if it's even da vinci with whom they would be working. that in itself is a major puzzle. >> from baton rouge, and louisiana state university faces laboratory, mary manheim, great thanks and for being a good sport as we look through this with some seriousness. >> thank you. that's "countdown" we will see you before and after the state of the union tomorrow. but first, speaking of louisiana, and the latest we mention from the associated press, a federal law enforcement official wishing to remain anonymous said one of the suspects in the phone scheme resulting in the arrests at senator mary landrieu's office in new orleans was picked up in a car a couple of blocks away with a listening device that could pick up transmissions. so, rachel maddow, are we thinking that james o'keefe and his friends from the village people are trying to tamper with senator landrieu's phones so they could listen in on her super bowl predictions? ♪ well, look who's here. it's ellen. hey, mayor white. how you doing? great. come on in. would you like to see our new police department? yeah, all right. this way. and here it is. completely networked. so, anything happening, suz? she's all good. oh, my gosh. is that my car? [ whirring ] [ female announcer ] the new community. see it. live it. share it. on the human network. cisco. give you less softness. some give you less renewing freshness. but ultra downy april fresh stands the test. why settle for less? ultra downy april fresh has more than two times the softening ingredients than the leading value brand's original fresh. and renewing scent pearls that release more freshness with your embrace. that's the real value of ultra downy april fresh. get more. feel more. @5@5 you go next if you had a that's the real value of ultra downy april fresh. hoveround power chair? the statue of liberty? the grand canyon? it's all possible with a hoveround. tom: hi i'm tom kruse, inventor and founder of hoveround. when we say you're free to see the world, we mean it. call today and get a free hoveround information kit that includes a video and full color brochure. dennis celorie: "it's by far the best chair i've ever owned." terri: "last year, 9 out of 10 people got their hoveround for little or no money." jim plunkitt: "no cost. absolutely no cost to me." breaking news...when you call today, we'll include a free hoveround collapsible grabber with the purchase of your power chair. it reaches, it grabs, it's collapsible and it's portable. it goes wherever you go. get it free while supplies last. call the number on your screen to get your free video, brochure and your free hoveround collapsible grabber. call the number on your screen.