Voorhies says that in evolutionary terms the ash fell at a propitious moment: “It turns out to have been exactly the time when species of horses were losing their side toes.” The evolution of ...

If you want to see concrete evidence of evolution, look no further than your hand or your foot. Five fingers, five toes. There's nothing ... adult animal -- as in horses' hooves and the wings ...

It’s the order of mammals that includes rhinos (three toes), horses (one hoofed toe), and tapirs (three toes in back and four toes in front). Extra toes are an evolutionary advantage that helps ...