They’ve discovered that the rats seem to genuinely enjoy – and eagerly anticipate – getting behind the wheel. Researchers ... away from the reward and running to the car to drive to their ...

The research dispels the idea that wheel running is the result of captivity ... Among the gym-going wild mice were rats, shrews, frogs and even a slug attempting a slow ride on the wheel.

Yet, much like humans adapting to cars long after inventing the wheel, the rats demonstrated a remarkable ... path of turning away from the reward and running to the car to drive to their Froot ...