<span><p><span>Follow two scientists as they spend a night in the Everglades collecting water samples, photographing wildlife, and sloshing through marshes. The scientists want to know what the “river of grass” was like prior to human settlement. Along the way, they deal with razor-sharp sawgrass, alligators, turtles, and are even surprised by the sudden presence of a "frog gigger"—someone who hunts frogs for food!</span></p></span>