Pleistocene Park: The Regeneration of the Mammoth Steppe?

I must admit to having difficulty comprehending winter conditions in central and northern Siberia. From the U.S. perspective, Fairbanks, Alaska seems the epitome of cold, with an average January low temperature of -19 F (-28 C), but Fairbanks is positively balmy compared to Verkhoyansk, Siberia, where the average January high temperature is -44.9 F (-42.7 C). But what really staggers …