TRENDING NOW. Reports: Life-threatening flooding expands as Harvey moves farther inland. Flooding from Harvey is expected to continue for days following the storm's final landfall in the United States.
Of course, because not a single stone of granite is similar in appearance nor identical to any other cut or piece, there are some very special types. Costa Esmeralda, which is also known as Costa Smeralda in some circles and companies, is one of these granite varieties. Gorgeously pale green in its color, each piece of Costa Esmeralda granite is found in boulder quarries located in the nations of Italy and Iran. It must be mined in these faraway lands, as much of the current supply of Costa Esmeralda is found in the Middle East.
Substantia nigra. The substantia nigra is a basal ganglia structure located in the midbrain that plays an important role in reward and movement. Substantia nigra is Latin for black substance, reflecting the fact that parts of the substantia nigra appear darker than neighboring areas due to high levels of neuromelanin in dopaminergic neurons. It was discovered in 1784 by FÃ©lix Vicq-d'Azyr, and Samuel Thomas von SÃ¶mmerring alluded to this structure in 1791. Parkinson's disease is characterized by the death ...