Q: Why do we humans have a hard time understanding, and sometimes accepting, evolution? What, in your opinion, is the major stumbling block? A: Deep time is hard to grasp. I don't know that it or any ...

Life changes over time. Of course, it does. We know this thanks to a wealth of converging evidence in the form of millions of fossils, clear genetic clues, and observations made out in the field and ...

Michael J. McDonald receives funding from the Australian Research Council. Christopher Blake does not work for, consult, own shares in or receive funding from any company or organization that would ...