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Article: True blue; molecules stack up to color flowers. (Cover Story)
- Article from:
- Science News
- Article date:
- September 19, 1992
- Author:
CopyrightCOPYRIGHT 1992 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Last year, at a memorial lecture honoring one of Japan's premiere organic chemists, organizers filled the stage with a popular blue flower called ajisai, better known in the United States as Hydrangea. For decades, Toshio Goto and his colleagues at Nagoya University in Japan had inched toward resolving a long-standing controversy about the source of the intense blues in flowers. He died just as his group had obtained its most convincing data, but Goto's ideas helped generate a new sense of how nature creates such a vivid color.
The controversy dates back to 1913, when a German researcher, Richard Will-statter, proposed that a single pigment made roses red and ...
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