Scientists investigate icy lakes to track the growth of certain types of algae and zooplankton that thrive during the cold season, blooming under the lake's icy cover.
Under surface ice in frozen freshwater lakes, certain forms of life are far more active than scientists suspected.
Enough water to fill a great lake has been found locked in the molten rock beneath a Bolivian volcano.
During the rainy fall and winter, most Oregonians probably don't give much thought to Lost Lake, a shallow 85-acre (0.34 square kilometers) lake surrounded by pine trees that sits near a highway.
With high-resolution satellite data and supercomputers to check every cloudless pixel, researchers now have the best count yet of lakes on Earth.
A large salt lake once surrounded the cone of an extinct volcano in Iran. Today, the lake is a fraction of its former self, and Iran's government is taking action to save it.
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