Speech: Richard Dawkins explains the adaptive valley

I want to spread the ideas of others, but I don’t want to plagiarize them. So, for the next few weeks, I will run a series called “Speech Highlights” wherein I’ll link to some fascinating speeches and discuss them. First up: Biologist Richard Dawkins demonstrates the evolution of the eye: https://www.youtube.com/watch?v=2X1iwLqM2t0 The eye is often … Continue reading Speech: Richard Dawkins explains the adaptive valley

Adaptive Valley: Why Do Males Exist?

Why do males exist? It doesn't make any sense. Introduction: Convergent Structures Convergent Structures are where two species develop the same characteristics, separately. They acquired like traits because they worked, not because of any shared ancestor. This should be familiar from high school bio. Birds evolved wings - but so did many and mammals (with the bats). … Continue reading Adaptive Valley: Why Do Males Exist?