For example, when you see illustrations of primates being pictured as evolving into humans, it can be shown in a court of law that such a premise is impossible, because certain human and primate traits are different, and could not have ever been shared.
Sure, playing games against other people is fun, but three developers at this year's Game Developer's Conference were challenged to create games forhumans and other species to play -- and the results were just as wild as you'd expect.