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The Spread of Mangroves in Senegal
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Published March 21, 2018
After decades of decline, satellites show mangrove forests are covering more area and growing more densely in this West African country.
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Ailsa Craig
Published March 17, 2018
The tiny islet is rich with history, but is now known for two things: seabirds and curling stones.
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Iceland’s Caldera of Hot Springs
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Published March 16, 2018
An unusual type of lava erupted beneath ice to form many of the otherworldly geological features within Torfajökull.
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Floodwaters at the Confluence of the Wabash and Ohio Rivers
Published March 15, 2018
What happens downriver can be largely affected by what happens upriver in the floodplains of major rivers.
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