Posted by Rossella Lorenzi Mon Oct 19, 2009 09:18 AM ET | 0
The foot and sandal prints offer insight into just how ancient craftsmen built this elaborate mosaic. Read more

Posted Fri Oct 19, 2007 11:09 AM ET
A new technique using microscopic ocean organisms could lead to cheaper, greener methods for producing iridescent cosmetics, paints and holographic plastics. Read more

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