A few days ago, I was presented with this very issue when I noticed a water mark on my walls. How did it get there ... you have time for multiple hour-long soaking intervals.

The waste stored in such facilities remains a long-term hazard ... Should the dams fail, the toxic wall of water could destroy ecosystems, impair drinking water supplies and devastate the Lake ...

Instead of barriers that tip over, the steeplechase contains four immovable barriers and a 30-inch wall set in front of a 10-foot-long pool of water. Sound crazy? U.S. Olympic hopeful Emma Coburn ...