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                    |  |  |  | Snow Day in Delmarva 
 The Mid-Atlantic coast occasionally sees snow, but rain has become increasingly common over time. |  |  
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                    |  |  |  | Malta's Landscape of Limestone 
 The abundant stone has been a construction resource for many millennia, shaping everything from prehistoric temples to modern-day housing. |  |  
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                    |  |  |  | Sizing up Mauna Loa's Lava Flows 
 Airborne mapping of the thickness of the lava flows helped scientists calculate that 230 million cubic meters of molton rock poured from the volcano during the two-week eruption. |  |  
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                    |  |  |  | Strait of Messina 
 Sunglint, waves, and ship wakes are visible on the waters between Italy's Calabria region and Sicily. |  |  
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                    |  |  |  | Launch of the Water Watcher 
 The international Surface Water and Ocean Topography (SWOT) mission will measure the height of freshwater bodies and the ocean on more than 90 percent of Earth's surface. |  |  
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                    |  |  |  | Lightning in the U.S. South 
 Dangerous thunderstorms and destructive tornadoes lashed the U.S. South amid a sprawling winter storm in December 2022. |  |  
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                    |  |  |  | Winter Sandstorm in China 
 A rare December sandstorm in China darkened skies in several cities. |  |  
                
                    
                  
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                    |  |  |  | Recent Blog Posts |  |  
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