Desert-like landscapes replaced full-flowing water deep enough for heavy cargo ships.
People evacuated after thunderstorms-with-no-rain ignite foliage and forests.
Living bacteria found in permafrost - '3.5 million years old' - is 'scientific sensation' which allows 'mice grannies' to reproduce.
Angelina Sadovnikova, then 11, came across the mummified Pleistocene rodent in a cavity left by woolly mammoth tusk diggers.
Shoreline on remote island retreats by 74 metres in seven years due to increased wave power of unfrozen sea, and thawing permafrost.
This summer's melting of permafrost is more than THREE TIMES greater than usual, unlocking long-frozen deadly diseases.
Expert says deadly gas released from melting permafrost region will lead to 'awful' consequences for global warming.
20 participants pedalled through icy mist and snow in Russia's permafrost capital.
Two Chinese companies compete to build a permafrost crossing of the Lena River.
And take part in scientific experiment to PROVE that the leaking of harmful greenhouse gases in the Arctic can be slowed.