At first glance, the village of Gulu in China’s Guizhou province looks like any other quiet countryside. Rolling hills, green fields, and winding dirt paths paint a peaceful picture. But look closer, ...

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This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Various forms of underground activity, such as deep wells or the disposal of hazardous materials, require the long-term sealing of rocks. A team of researchers has developed an innovative method based ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Thousands of people attend ...

DENVER (KDVR) — Thousands of people attend concerts for their favorite artists every year at Red Rocks Amphitheatre in Denver — the “only naturally-occurring, acoustically perfect amphitheater in the ...