By Mickey Friedman December 11, 2017 It was called “The Great Dying.” Peter Brannen described it in the New York Times: “The planet’s most profound catastrophe struck 252 million years ago, at the end of the Permian period, killing 90…
By Mickey Friedman December 11, 2017 It was called “The Great Dying.” Peter Brannen described it in the New York Times: “The planet’s most profound catastrophe struck 252 million years ago, at the end of the Permian period, killing 90…