Asked by: Tom Reynolds, King’s Lynn
Toes, like fingers, have lots of nerve endings so they can sense the texture of the ground underfoot and maintain balance. They are also at the end of a long and heavy pendulum – your leg. So when they strike something, they strike it fast and hard and there are lots of pain receptors anxious to remind you to be more careful next time.
Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.