Fresh blood discovery by scientists in remains of extinct creature as experts start research this month in hunt for live cells.
Discovery of blood in creature frozen for 43,000 years is seen as major breakthrough by international team.
Remarkable images show a test tube blood sample from a female of the long-extinct species.
Here we go back in time and remember 13 remarkable moments of 2013.
But then Siberia also has no less than SEVEN real Santa figures, and you can meet them all here.
Almost 1,300 bones of 13 species of mammals unearthed at new site on Gydan peninsula aged between 10,000 and 50,000 years old.
Meet Minsalim Nimergazeev, orphan turned master craftsman from historic Tobolsk.