How red-eared invaders are hurting California's native turtles

In the summer of 2011, visitors to the University of California, Davis, Arboretum may have witnessed an unusual site: small teams of students wielding large nets, leaping into the arboretum's waterway to snag basking turtles.

Water in Hawaii volcano could trigger explosive eruptions

For the first time in recorded history, a pond of water has been discovered inside the summit crater of Hawaii's Kilauea volcano, a development that could signal a shift to a more explosive phase of future eruptions.

100-year-old physics model replicates modern Arctic ice melt

The Arctic is melting faster than we thought it would. In fact, Arctic ice extent is at a record low. When that happens—when a natural system behaves differently than scientists expect—it's time to take another look at ...

Scientists investigate global spread of stinging jellyfish

"Get it off of me! Get it off of me!" shrieked Mary Carman, a marine ecologist at Woods Hole Oceanographic Institution (WHOI) as she flailed knee deep in the bath-like water of Farm Pond on Martha's Vineyard. She was observing ...

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A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake. A wide variety of man-made bodies of water are classified as ponds, including water gardens, water features and koi ponds; all designed for aesthetic ornamentation as landscape or architectural features, while fish ponds are designed for commercial fish breeding, and solar ponds designed to store thermal energy.

Standing bodies of water such as puddles, ponds, and lakes are distinguished from a water course, such as a brook, creek, or stream via current speed. While currents in streams are more easily observed, ponds and lakes possess thermally driven microcurrents and moderate wind-driven currents. These features distinguish a pond from many other aquatic terrain features, such as stream pools and tide pools.

Some mills use the kinetic energy of the moving water in the pond to generate electricity.

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