Centre is one of only two repositories in the world of smallpox virus, and a key hub of research into the planet's deadliest diseases.
Pioneering life-saving operation to be carried out this week, as bid made to find and shame the gunman.
From the Pacific in the east, to the Urals in the west, hardy Russians display their religious feelings - and bravery.
Famous for its lonely loo with a view at 2,600 metres - 8,530ft - this meteorological outpost provides essential data for the world.
Threat to Salekhard and Anadyr could come even sooner - by the mid-2020s - as thaw of frozen ground is forecast to have 'devastating' impact.
Kissing and hugging to survive, hallucinations, fearing their 4 children would be orphans, giving up, cuddling in the Arctic snow to die...then a miracle.
Vital for making its waters so 'pure', one theory is that rising underwater methane leaks are killing off the sponge, but is there a silver lining?