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| Badwater Basin: Death Valley microbe may spark novel biotech and nanotech uses Posted: 27 Dec 2011 11:26 AM PST Nevada, the "Silver State," is well-known for mining precious metals. But some scientists do a different type of mining. They sluice through every water body they can find, looking for new forms of microbial magnetism.  |
| Over 65 million years, North American mammal evolution has tracked with climate change Posted: 27 Dec 2011 06:30 AM PST Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis by evolutionary biologists. Warming and cooling periods, in two cases confounded by species migrations, marked the transition from one dominant grouping to the next.  |
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