Three decades after the fall of the Berlin Wall and the breakup of the Soviet empire, the West faces a new era of East-West tensions. Any vision of a modern Russia integrated into the world economy and aligned in peaceful partnership with a reunited Europe has abruptly vanished. Two opposing narratives vie to explain the strategic future of Europe, one geopolitical and one economic, and both center on the same resource: natural gas. In The Bridge, Thane Gustafson, an expert on Russian oil and gas, argues that the political rivalries that capture the lions share of media attention...
Ancient Maya civilization—known for its cities, monumental architecture, ceramics, hieroglyphic writing, and advanced understanding of mathematics and astronomy—suffered a major demise between the tenth and eleventh centuries. The causes continue to be investigated and debated. Paleoenvironmental research over the past twenty years has revealed that the demise coincided with a prolonged intensive drought that extended across the region, providing compelling evidence that climate change played a key role in the collapse of the Maya.
Hunnewell Building, Arnold Arboretum, 125 Arborway, Boston
Enjoy a free guided tour of the Arnold Arboretum landscape with a knowledgeable docent. Tours are appropriate for adults and last approximately 90 minutes. History, highlights of the landscape, seasonal interest and more!