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My scientific specialty is chronobiology (circadian rhythms and photoperiodism), with additional interests in comparative physiology, animal behavior and evolution. I am not an MD so I cannot diagnose and treat your sleep problems. As well as writing this blog, I am also the Online Discussion Expert for PLoS. This is a personal blog and opinions within it in no way reflect the policies of PLoS. You can contact me at: Coturnix@gmail.com

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So, why did the mammoths REALLY go extinct?

Category: Environment • Evolution • History of Science • Paleontology • Science Practice
Posted on: June 8, 2007 12:50 AM, by Coturnix

A paper in press in Current Biology (press release here) looks at mitochondrial DNA of mammoths and advances a primarily environmental cause for the mammoth extinction. Razib explains why such a black-and-white dichotomy is unhealthy.

Looking at a different hypothesis, also environmental, for the mammoth extinction (comet impact), Archy places the black-and-white dichotomy in the historical context and tries to figure out why the environmental hypotheses are so popular nowadays, while extinction at the hands of human hunters is not a popular idea any more.