When Rachael Knable wants to set an example, she’s sliding down a tarp, climbing up a rockwall and crawling through a soupy pool of mud. The local mother of four joined her kids — Eva, Zoe, Mavis and ...

I've studied various aspects of play behavior in a wide variety of nonhuman animals (animals) for decades, focusing mostly on members of the "dog family" (canids), while some of my students have ...

While sea otters spend the majority of their time in the water, river otters will often run and play on land. This leads to some interesting behavior that reminds us of fun childhood games: the “run ...

There was a time when kids, on weekends and after school, were shoved out the door and left to their own devices. “Go play,” our mothers told us, and we did. We wrestled, played sandlot baseball and ...

Are you allowed to completely cover yourself in mud? Probably not, but I have a way to get muddy for a really good reason! Enter an obstacle race that's a mud run. When you do a mud run, it's a total ...