Mice wheel-y do love running! Wild rodents enjoy using exercise wheels just as much as caged pets | Daily Mail Online
Mouse & Rat Running Wheels | STARR Life Sciences
Animal Activity and Behavior
Even in the Wild, Mice Run on Wheels | Science | AAAS
Spontaneous activity wheels
Amazon.com : Niteangel Quiet Hamster Exercise Wheel - Clouds Series Hamster Running Wheels for Dwarf Syrian Hamsters Gerbils Mice or Other Small Sized Pets : Pet Supplies
Blood from marathoner mice boosts brain function in their couch-potato counterparts | News Center | Stanford Medicine
Can an Athlete's Blood Enhance Brainpower? - The New York Times
TBT Even in the wild, mice run on wheels - YouTube