[Hip Priest]

The Japanese snake, Pareas iwasakii, preys mostly on snails and slugs, but its jaws are too weak to crush snail shells. Instead, it uses pin-sharp teeth to grab a snail’s body and tug it from its shell. Most snails have shells that swirl to the right in a clockwise direction, so the snake has evolved an upper jaw with more teeth on the right side than the left...