Friday night topic: What have you learned lately?

Tonight's topic comes courtesy of our suggestions thread, specifically an idea suggested by TR reader BIF. Here it is:

What interesting personal research project have you engaged in recently, and what did you learn from it?

I'll start, I suppose. I've recently been fascinated by the idea of convergent evolution, how two animals with completely different roots can develop over time to be very much alike because they fill the same ecological niche. For instance, the North American pronghorn is basically a goat, yet we call it an antelope since its behavior and looks are similar to the African and Eurasian antelope. The two aren't closely related at all, though. They've just been shaped by their environments into similar forms. Wild.

What about you? What have you learned lately? Discuss!

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