ice-bridge

The Last Time Antarctica Melted

Researchers drill deep for answers

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MAGAZINE HIGHLIGHTS

rainbow

20 Things You Didn't Know About Rainbows

Everyone sees their own rainbow, and the number of colors in yours may be different from mine.
Sand-Mining

The Midwestern Sand Mines Feeding the Fracking Industry

Pure, round and super strong: This is the only sand down for a fracking job.
Flooding-Risk

UNESCO World Heritage Sites at Risk of Flooding Due to Climate Change

Sea-level rise predictions and flooding statistics show which UNESCO sites might be submerged by 2100.
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