Acid rain's dirty business: stealing minerals from soil

Article Abstract:

A study of a new Hampshire forest shows that a its slow recovery from acid rain pollution, despite large reductions in power-plant sulfur emissions, was due to soil contamination. Gene Likens, Donald Buso and Charles Driscoll determined that the sulfur leached vital minerals from the soils.

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New biotech law shores up U.S. firms

Article Abstract:

Pres Clinton signed into law a bill that makes familiar genetic engineering processes patentable if they use or produce a novel product. In the past a biotech firm could patent a gene and a host cell, but any company could use them to produce the desired hormone or other end-product.

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New "guiding" protein discovered

Article Abstract:

Scientists have identified a protein that maneuvers phenols so that plant cells form only one type of stereoisomer. The discovery could lead to techniques for producing artificial lignin, the glue that bonds trees.

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