A trans-Siberian winter adventure: skiing the shores of Lake Baikal

The valley of Bolshoy Mamay, near the shores of Lake Baikal, is a remote Russian region that’s garnering a loyal following of backcountry skiers. Travel there by Trans-Siberian Railway and the adventure begins before you even clip in.

Notes from an author: Matthew Woodward on Siberia

Crossing one of the world’s remotest borders by train proves to be a challenging experience — not least when faced with a language barrier.

Ancient Girl's Parents Were Two Different Human Species

Born 90,000 years ago, the child is the first direct evidence of interbreeding among Neanderthals and their cousins the Denisovans.

Exclusive: Some Arctic Ground No Longer Freezing—Even in Winter

New data from two Arctic sites suggest some surface layers are no longer freezing. If that continues, greenhouse gases from permafrost could accelerate climate change.

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