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WASHINGTON, June 22, 2018 � Savvy gardeners know that they can adjust the color of hydrangea blossoms between pink and blue by altering the pH of the soil. But pH isn’t the entire story. The chameleon-like nature of these flowers is a consequence of the plants� struggle to survive in toxic soils: .

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The American Chemical Öйú365betÖÐÎĹÙÍø, the world’s largest scientific society, is a not-for-profit organization chartered by the U.S. Congress. ACS is a global leader in providing access to chemistry-related information and research through its multiple databases, peer-reviewed journals and scientific conferences. ACS does not conduct research, but publishes and publicizes peer-reviewed scientific studies. Its main offices are in Washington, D.C., and Columbus, Ohio.