Humble fragments of clay crucibles and coin molds flecked with gold excavated by a joint team of British and Malian archaeologists in 2005 led archaeologist Sam Nixon, in consultation with Thilo ...
Medieval stained-glass windows colored in gold nanoparticles help purify air when lit by the sun, a new study finds. "For centuries people appreciated only the beautiful works of art, and long life of ...
Finnish researchers discovered tiny gold nanoparticles within Norway spruce needles, a process seemingly driven by microbes. Specific bacteria, living in biofilms inside the needles, transform soluble ...
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