In a recent study published in the journal Ancient Mesoamerica, Dr. Dean Arnold and his colleagues, Joseph Ball, Laure Dussubieux, and Jennifer Tachek, examined 17 samples of Maya Blue from pottery ...

From everyday staples to statement gems—shop the best jewelry deals from Nordstrom’s Anniversary Sale now to update your ...

Outstanding Universal Value Brief synthesis The cultural and natural heritage of the Blue and John Crow Mountains comprises 26,252 ha of tropical, montane rainforest within the larger Blue Mountain ...

News and commentary on oil and gasoline, featuring archival articles published by The New York Times.

It contains the most significant types of karst landforms, including tower karst, pinnacle karst and cone karst formations, along with other spectacular characteristics such as natural bridges, gorges ...

Sophia Hirsh of Hirsh London gives expert advice on investing in colour gemstones and reveals some lesser known winners.