Scientists from Novosibirsk-based Vector are working in Yakutia on a paleo-virus experiment.
A huge operation to cull 3,000 wolves in Russia's largest region began today - 15 January - amid claims banned poisons could be used.
Destruction of trees by flames could see Batagai Depression ‘rapidly enlarge’ while remote local settlements also threatened.
Spaso-Zashiverskaya has survived wars, permafrost, and a smallpox outbreak that wiped out its congregation.
After a month of warm, dry weather and wildfires, the huge crater nicknamed ‘Mouth of Hell’ is now under direct threat.