Neurophysiologists in the Netherlands have found that if you place a hamster wheel outdoors in a natural setting, wild animals such as mice will come and run on it voluntarily. This suggests that the ...

You might assume that hamsters spend their days running in wheels out of boredom, but it could be that animals genuinely enjoy the activity! To test this theory, a man placed two wheels in the woods ...

Caged mice aren't the only animals that enjoy a spin on the old exercise wheel. New video footage reveals wild mice, rats, and even frogs and slugs like running (or crawling) on wheels, too. These ...