Hold Your Breath
This is Andrew Matheson again. I need to share a secret with you, but I think it's going to upset you greatly. So I'm trying to think of a way to gently ease you into what's really going on here. Because you need to know. Last November, my ninth-graders were studying Darwinian evolution in the biology classes I used to teach. One morning we were discussing how natural selection working across many generations will tend to result in optimized organisms that fit well within the