Along the lines of last week's discussion of Jared Diamond's book 'Collapse': Ancient baby boom holds a lesson in over-population -- ScienceDaily. Washington State University researchers have sketched out one of the greatest baby booms in North American history, a centuries-long "growth blip" among southwestern Native Americans between 500 to 1300 A.D. It was a time … Continue reading Ancient baby boom holds a lesson in over-population
Tag: Proceedings of the National Academy of Sciences of the United States of America
Microbes May Have Fueled Permian Extinction, Earth’s Biggest
A microbial feeding frenzy may have fueled the biggest mass extinction in Earth's history, new research suggests. The findings suggest that bacteria, with a little help from massive volcanism, produced large quantities of methane, thereby killing 90 percent of life on the planet. more at Microbes May Have Fueled Permian Extinction, Earth's Biggest. I've often wondered … Continue reading Microbes May Have Fueled Permian Extinction, Earth’s Biggest
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