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Lake Rukwa, Tanzania
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Published July 10, 2020
One of the smaller lakes of the East African Rift is rich with mud, fish, and geologic beauty.
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Faint Glow, Clear Signal from Plants
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Published July 9, 2020
As scientists detect plant fluorescence in better detail, they inch closer to helping farmers respond to extreme weather and close in on understanding how carbon cycles through ecosystems.
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Another Lively Season of Night-Shining Clouds
Published July 8, 2020
Extremely cold and wet conditions in the mesosphere have led to abundant noctilucent clouds.
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Fueled by the Nile
Published July 7, 2020
Irrigation from Lake Nasser, one of the world’s largest man-made lakes, has increased the amount of arable land and crop production in Egypt.
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Nishinoshima Belches Ash and Lava
Published July 6, 2020
A young volcanic island in the western Pacific Ocean has been going through some growing pains.
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Pacific Northwest Bathed in Green and White
Published July 3, 2020
The Olympic Peninsula, Cascade Mountains, and Salish Sea caught the eye of an astronaut on the space station.
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Shifting Seasons on the Steppe
Published July 2, 2020
Linear features in the Kulunda region of southwestern Russia look as if a large claw has scraped the land surface.
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Landslide Blocks Rio Colca
In Peru, a landslide damaged farmland and stopped the flow of an important local river.
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Scouting Watering Holes from Space
Published July 1, 2020
Satellites may make it easier for nomadic herders in Senegal to survive the lean season.
A Dust Plume to Remember
Published June 29, 2020
While dust routinely blows across the Atlantic Ocean, scientists rarely see plumes as large and dense with particles as the one that darkened Caribbean skies in June 2020.
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Johns Hopkins Glacier
While most glaciers in southeast Alaska are losing an astounding amount of ice, this glacier has been relatively stable.
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Channeling a Bloom
Published June 26, 2020
Unusually clear skies and persistent, unseasonable heat may have set the stage for large and persistent blooms of phytoplankton in the waters around England.
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Cuba’s Gulf of Guacanayabo
Sediments flowing into the bay from the Río Cauto have built up an impressive delta and even helped bury a reef.
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Space Station Sails Across the Sun
A NASA photographer captured the ISS as it passed directly between the Sun and Earth.
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Ankara at Night
Bright shades of white and yellow light up the geographic and political heart of Turkey.
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Signs of Drought in European Groundwater
Published June 25, 2020
Long-term rainfall deficits, heat waves, and increased evaporation have depleted some of the groundwater supply beneath central and eastern Europe.
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