The Alans, an Iranian-speaking people attested in the chronicles of ancient world from first century AD, played important role Caucasian region until Mongol invasion. They lived plains north mountain ridge, but after invasion and emergence Kabardian power region, they moved more towards high mountains began to live gorges Central Caucasus. But memory Alan persisted for long time deriving Alans ...

BACKGROUND Biological invasion and climate change pose challenges to biodiversity conservation in the 21(st) century. Invasive species modify ecosystem structure and functioning and climatic changes are likely to produce invasive species' range shifts pushing some populations into protected areas. The American Bullfrog (Lithobates catesbeianus) is one of the hundred worst invasive species in th...

The Mongol invasion of Eastern Europe, and especially its sudden withdrawal from Hungary in 1242 CE, has generated much speculation and an array of controversial theories. None of them, however, considered multifaceted environmental drivers and the coupled analysis of historical reports and natural archives. Here we investigate annually resolved, absolutely dated and spatially explicit paleocli...

In this work, we examine the effect of the 2016 Turkish coup on social media censorship, both by the government ordering Twitter to conduct censorship and as well by people removing their own tweets. We compared 5.5M tweets collected from Turkey pre-coup to 8.5M tweets collected post-coup. Although self-censorship of the press is not a novel practice following past military coups in Turkey, in ...