The foam option is also easily replaceable and can come off like a sticker from the wheel. The carpet is also a good running surface, giving enough traction, though it can be ripped up. You’ll want an ...

However, this time, the exercise wheel periodically locked up while the animals were running on it. To unlock it, the mice had to press a lever with their nose. Each time the wheel locked, it became ...

But a new study suggests that the rodents enjoy running and when wild mice come across an exercise wheel they do exactly the same thing voluntarily. A group of scientists set up wheels in the wild ...