The Mud Zone at the Minnesota Children's Museum is exactly what it sounds like. An outside portion of the St. Paul museum has two giant bins filled with dirt, vessels like pie tins and bowls and ...

Add Yahoo as a preferred source to see more of our stories on Google. Siblings like to get into a bit of trouble when together ... all in good fun. Picture this: Two toddler boys head outside to play.

Children today are growing up in increasingly structured, screen-dominated environments. Free, unstructured outdoor play is shrinking at an unprecedented pace. Rising academic pressure ...