The pioneering scientist who created Dolly the sheep has outlined how cells plucked from frozen woolly mammoth carcasses might one day help resurrect the ancient beasts.

The notional procedure – bringing with it echoes of the Jurassic Park films – was spelled out by Sir Ian Wilmut, the Edinburgh-based stem-cell scientist, whose team unveiled Dolly as the world's first cloned mammal in 1996. [link to www.theguardian.com]