Permafrost remains of long-gone woolly rhinos, mammoths and cave lions bring intriguing scientific breakthrough.
Call to protect unique site with thousands of ideally preserved bones of prehistoric animals.
Examination of ancient cave lion cub offers prospect of 'oldest-ever breast milk'.
Tantalising studies now underway to establish if one of two carcases preserved by permafrost has traces of world's oldest mother's milk.
Samples taken from cubs frozen in permafrost for at least 12,000 years.
Unveiled: two extinct cave lions - dug from the permafrost - make their first appearance since Pleistocene times.
Sardana Avksentyeva swept to power as mayor of Russia’s diamond capital in September.
'Sensational' find of two cubs, the best preserved ever seen in the world, announced today.