Word: acidizing
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...that roasted hundreds where they knelt. Rivers of grey-black lava boiled over Agung's southern lip and flowed in fiery rivulets down stream beds, raising clouds of steam; heavy rains, possibly caused by the heat of the volcano, mixed with the sulphurous ash to form an acid that killed plant life for five miles around...
Liston Placid; Doug is Acid...
...central problem of protein chemistry, one that can be solved only by X-ray analysis. Until 1953 such analysis, however, had proved fruitful only when used to determine the atomic arrangement of simple organic compounds at least a hundred times smaller than protein molecules, which contain hundreds of amino acid residues arranged in definite sequences as polypeptide chains...
...they reveal that hemoglobin contains four polypeptide chains of roughly equal length, identical in pairs, and structurally complementary. Both hemoglobin and myoglobin have polypeptide chain folds; this characteristic tertiary structure may be fully determined by their amino acid sequence...
Elastic Medium. Argentine-born Mauricio Lasansky, 48, who has created a U.S. printmaking capital at the department of graphic arts of the State University of Iowa, often combines acid etching, drypoint and engraving in a single work to express the somber subjects that are his specialty. Says Lasansky: "The print is a medium which you can fight your way through. It is very elastic; that is why I like it. It leaves quite a lot of room for improvisation. I use practically every technique of the last 400 years, plus a couple we are developing here in Iowa...