You’re building a stuffed-animal zip line by holding a cord against the wall, hooking a cute stuffed animal onto it, then letting the animal slide down as you time it. “Does anyone know what gravity ...

The Columbia River snakes through the Columbia River Gorge at Cape Horn Preserve in April. (Taylor Balkom/The Columbian files) A rural Washougal property owner has proposed to build a recreational ...

Design Squad Nation's Judy and Adam show you how to make a zip line for a Ping-Pong ball. Design Squad Nation hosts Judy and Adam show you how to make a zip line for a Ping-Pong ball in the Zip Line ...