Environment: Tampering with Beans and Genes

A harvest of cash and corn beckons microbiology and business

"We've got to learn to produce as much food in the next 40 years as we have in the past 11,000." So says Corn Geneticist Ronald Phillips of the University of Minnesota. Can it be done, especially since the so-called Green Revolution has just about run out of steam? The answer may lie in the fact that a second Green Revolution, powered by the wonders of genetic engineering, has been gathering impetus for some time and now seems within reach.

The seeds of the first revolution—high-yield, fertilizer-hungry super-grains—were sown all over the world...

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