Protein folds show more flexibility than previously thought, but the flexibility appears designed. If it’s hard to get one fold to work, how about two in the same protein?
“Nylon-eating bacteria? What the heck?” you say. “Why does this matter?”
This fascinating study also counters arguments that Homo naledi was beginning to develop a human-like intellect.
“The bombardier beetle’s ancestors simply pressed into different service chemicals that already happened to be lying around. That’s often how evolution works.”
When you read Matti Leispola’s account of his adventures with a persecuted enclave of Darwin skeptics, you’ll understand why he has a smile on his face.