baby wooly mammoth. some think bringing "ice age" to life is just an awesome idea. >> it's the most adorable kind of cloning. bog anything that's woolly, pretty adorable. watch "ice age 2" than see this furry beasty for real. >> a little bit nervous. i don't know why exactly. >> it sounds like you're a little messing with the laws of nature. >> reporter: and rock mcphee who knows a thing or two about mammoths isn't convinced it will work. >> you can't expect something 10,000 to 20,000 years old to have enough nucleus preserved. it's very iffy. >> reporter: but science never ceases to astound. and this, for real, would be mind blowing. nick watt, abc news, london. >> good for the wooly mammoth. takes you back to a different time on the planet. >> the stone age. >> oh. yes, indeed. look at you. what is that, bam bam?