Last week I touched on the miniaturization of chameleons. This week, let’s discuss the speed of mammals evolving into different body sizes.
“How fast can a mammal evolve from the size of a mouse to the size of an elephant?” A research group in Australia addressed this question in their work that made the cover of this week’s issue of the Proceedings of the National Academy of Sicences. The study investigated the pace of large-scale evolution in mammals over the last 70 million years. Continue reading –>