John: Nigel, you know, sometimes I just sit back and marvel at the sheer ingenuity we find in the natural world. Not just the big, obvious things, like a bird’s wing or the human eye, but the tiny, microscopic wonders. Nigel: Oh, absolutely, John. It’s almost more striking, isn’t it? Because you have to dig a little deeper to even find them, and then when you do, it’s like uncovering a hidden universe of precision engineering. What’s on your mind today? John: Well, I’ve been thinking a lot about the bacterial flagellum. I mean, honestly, it’s just mind-boggling. We’re
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