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In the seventeenth century, Transylvania was an autonomous state and passed through a "Golden age" for religions and culture (read more)

Featured Article: Johannes Vermeer

Girl with a Pearl Earring, known as the "Mona Lisa of the North"
Johannes Vermeer or Jan Vermeer (baptized October 31, 1632, died December 15, 1675) was a Dutch painter who specialized in scenes of ordinary people going about their everyday life. Using minute details he conveys subtle symbolic and allegoric themes that draw the viewer into the same state of deep contemplation that the figure(s) in his paintings convey. He was also a master at depicting the way light illuminates objects.

Virtually forgotten for nearly two hundred years, the art critic W. Thore-Burger resurrected interest in Vermeer in 1866 when he published an essay attributing 66 pictures to him (only 35 paintings are definitively attributed to him today). Even in his lifetime he was relatively unknown outside of his hometown of Delft where all of his works were painted. Now he has become one of the most admired artists of the Golden Age of Dutch Art.

Popular Article: Main group elements

Main group elements
The main group elements of the periodic table are groups 1, 2 and 13 through 18. Elements in these groups are collectively known as main group or representative elements. These groups contain the most naturally abundant elements, comprise 80 percent of the earth's crust and are the most important for life. Economically the most produced chemicals are main group elements or their compounds. It is in the main group elements that we most clearly see the trends in physical and chemical properties of the elements that chemists have used to understand the "stuff" things are made of.