The remains of two Ice Age infants, buried more than 11,000 years ago at a site in Alaska, represent the youngest human remains from that era ever found in northern North America, according to a new paper published in the Proceedings of the National Academy of Sciences. The site and its artifacts provide new insights […]
WRANGELL MOUNTAINS: Over 14,000 years ago, much of North America was covered in ice, starting at the Alaska Range, and moving down all the way to what are now the cities of Chicago and New York. The ice was very thick — miles thick. Then, it abruptly melted over much of the northern hemisphere. Except in […]
It is a very remarkable fact that a region under a civilized government for more than a century should remain so completely unknown as the vast territory drained by the Copper, Tanana and Koyukuk Rivers. So wrote Henry Allen in a government report on his muscle-powered journey from the mouth of the Copper River to […]
Last week, I wrote about a thought experiment proposed by Fairbanks scientist Jim Beget. He suggests raining down crystals of a compound that captures carbon dioxide onto a frigid plateau in Antarctica. There, the greenhouse gas might remain locked for a few hundred thousand years. Beget will present his idea at the fall meeting of […]