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Culture

Tattoo ink linked to rare eye disorder

- The Washington Times

Tattoos are found these days on everyone from elementary school teachers to physicians and politicians -- but as inked skin becomes more common, so does a rare eye disease caused by body art.

Strong, ancient and still in demand: The story of Roman travertine

- Associated Press

Long ago, when Romans wanted to build a new temple, they would head to the nearby quarries of Tivoli, chisel out blocks of porous rock called lapis tiburtinus - now known as travertine - and float the cargo downstream on rafts to craftsmen in town.