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 "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

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