Mystery Science: You Turn On the Faucet, Where Does the Water Come From?
Mystery Science

In this Mystery, students construct an explanation about a surprising phenomenon: the existence of underground water.

DK Find Out! Water Cycle
DK

Almost three-quarters of the Earth’s surface is water.

Outside Podcast: An Amazingly Crappy Story
Outside

With every trip to the outhouse, we’re contaminating groundwater, spreading disease, and costing parks a fortune. Recently, however, Geoff Hill found an elegant remedy.