A Letter From The Publisher, Apr. 18, 1977

It may seem like a tempest in a test tube, but it has mightily agitated the scientific community and is now being debated in Congress. The question at issue: Is it dangerous, and possibly sacrilegious, to tamper with the genetic codes that control life? This week's cover story explains how some molecular biologists have become genetic engineers, and it details the controversy that surrounds their experiments. The story aims at providing a thorough understanding of the issues involved in deciding if steps are needed to curb, or stop altogether, the work being done in creating genetic hybrids.

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