The Chicken or the Egg?
Which came first, the chicken or the egg? As philosophical questions go, this one is pretty lame as it is straightforward to answer. Paleontologists are always hip to answer this question. But since I don’t know any hip paleontologists, I’ll answer myself. The answer is clearly egg. The chicken gene evolved about 70 – 90 million years ago (according to a 1989 paper by Cracraft and Mindell, which I’m too lazy to actually find and read but found a recapitulation by Vandergon and Reitman). [Read More]