Evidence of the dinosaurs found at Teete locality in Yakutia, just 450 km south of the Arctic Circle.
Sacred site up to 17,000 years old - believed to be gateway to the underworld - under threat from modern spray paint artists.
'The contract in current market parameters is absolutely unprecedented', Putin told investors at the annual Saint Petersburg International Economic Forum.
Unknown remains of a large creature have been found in Lake Labynkyr, say the first divers to ever reach its floor.
Nematodes moving and eating again for the first time since the Pleistocene age in major scientific breakthrough, say experts.