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Pizzolato P. Formalin pigment (acid hematin) and related pigments. Am J Med Technol. 1976 Nov;42(11):436-40. Tseng CH. A new method of removal of formalin pigment. Am J Med Technol. 1983...
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I have heard about Tetrahymena thermophila - mutant "pig" which secretes a melanin precursor to the medium, there are numerous species of slime molds producing melanin, but pigmented protozoans,...
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In "The Life of the Bee" by Maeterlinck (edited in 1901!), one can read that the research of a Carter revealed that such phenomena as the free will, desire and free choice manifest itself in...
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Could, somebody, please, explain or suggest what mutation (mutations?) stands behind this phenotype? Normally the young deers are brown with bright spots and then become uniformly brown ("agouti")...
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