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rose madder

  1. Ancient red dye powers new 'green' battery

    Electric Vehicle Batteries & Plug-In Charging
    PHYS.ORG - December 11, 2012 "More than 3,500 years ago, civilizations in Asia and the Middle East first boiled madder roots to color fabrics in vivid oranges, reds and pinks. In its latest technological incarnation, the climbing herb could lay the foundation for an eco-friendly alternative...
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