One of the giant craters discovered on the Yamal Peninsula. Photograph: Vasily Bogoyavlensky/AFP/Getty Images
Thursday 20 July 2017 16.30 EDT Last modified on Thursday 20 July 2017 18.45 EDT
Strange things have been happening in the frozen tundra of northern Siberia. Last August a boy died of anthrax in the remote Yamal Peninsula, and 20 other infected people were treated and survived. Anthrax hadn’t been seen in the region for 75 years, and it’s thought the recent outbreak followed an intense heatwave in Siberia, temperatures reaching over 30C that melted the frozen permafrost.
Long dormant spores of the highly infectious anthrax bacteria frozen in the carcass of an infected reindeer rejuvenated themselves and infected herds of reindeer and eventually local people.
A recent heatwave in Siberia’s frozen wastes has resulted in outbreaks of deadly anthrax and a series of violent explosions