Hox Genes to the Rescue?

Hox gene clusters are regulatory elements that switch on genes downstream in embryological development. When you swap one cluster with another, what happens? Evolution?

Meet the “Unknown Scientist”

I can’t help but compare this Unknown Scientist to the “Unknown Comic” from the 1980s. I picture “Smildon,” bag over his head, reciting his “scrupulously fair” review of Darwin’s Doubt.