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Fuller's earth is the most common spelling today, but both fullers earth and fullers' earth remain in wide use. [4] Fuller's earth is also known by the following other names: Bleaching clay, [5] probably because fulling whitened the cloth. Whitening clay, particularly when used to treat facial pigmentation, such as melasma.
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Coral bleaching is the process when corals become white due to loss of symbiotic algae and photosynthetic pigments. This loss of pigment can be caused by various stressors, such as changes in temperature, light, or nutrients.
Huge stretches of coral reef around the world are turning a ghostly white this year amid record warm ocean temperatures. On Monday, the U.S. National Oceanic and Atmospheric Administration ...
With the increase of coral bleaching events worldwide, National Geographic noted in 2017, "In the past three years, 25 reefs—which comprise three-fourths of the world's reef systems—experienced severe bleaching events in what scientists concluded was the worst-ever sequence of bleachings to date." [47]
Cimolian Earth (Greek: κιμωλια, Latin: terra simolia), also known as "cimolite", refers to a variety of clays used widely in the ancient world. [1] These clays were used in medicine, in bleaching, and in the washing of clothes. They appear to be similar to Fuller's earth, and to Kaolin. A variety of colours of Cimolian Earth was known.
Fuller's earth is within the scope of WikiProject Soil, which collaborates on Soil and related articles on Wikipedia. If you would like to participate, you can choose to edit this article, or visit the project page for more information.
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