Tag Archives: Proceedings of the National Academy of Sciences of the United States of America

Ancient baby boom holds a lesson in over-population

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 … Continue reading

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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 … Continue reading

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