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Physical sciences/Chemistry/Chemical compounds/Biomolecules/Nucleic acids/DNA/DNA structure/DNA regions/Upstream regions

AAAS Symposium Sheds Light on Potential Disasters—and Remedies The Mekong River courses over some 2,700 miles of dramatically changing terrain, traverses six Southeast Asian countries from China’s Tibetan Plateau to the South China Sea, supports one of the planet’s most productive inland fisheries and continues to reshape a region it has defined for thousands of years.