![mammoth](/web/20170217013713im_/http://www.smh.com.au/content/dam/images/1/1/q/2/v/j/image.related.wideLandscape.460x259.guezgy.png/1487294333113.jpg)
How to make a woolly mammoth, 4500 years after it became extinct
Boston: Woolly mammoths - or, at least, animals with very similar DNA - could be brought back from extinction within two years, say scientists behind a ground-breaking resurrection project.