Intelligent Design

Extinction: A 62-million-year itch?

At Seed Magazine (June 29, 2009), Adrian Melott of “The Big Idea” asks, “Sometimes, something kills nearly all life on the entire planet. But is there a regular cycle to this creation and destruction of Earth’s biodiversity?”, arguing, Fortunately, all known dips in biodiversity seem to be followed by periods of rapid diversification called radiations. […]