Paging Ursula Vernon!

[unhappytriad]

ursulav, you need to see this video of wild animals running on a hamster wheel--including a frog and a slug.

https://www.sciencenews.org/blog/wild-things/mice-really-do-run-wheels?utm_source=Society+for+Science+Newsletters&utm_campaign=db1c8159e7-Editors_picks_week_of_May_19_20145_23_2014&utm_medium=email&utm_term=0_a4c415a67f-db1c8159e7-90391509