Highlights the background, career, and major accomplishments of Robert Allan Weinberg, professor of Biology at the Massachusetts Institute of Technology. His accomplishments and research interests focus on oncogenes, genes capable of causing cancer. The discovery of these genes has revealed the central mechanism of cancer. (Author/JN)

Describes a process known as parthenogenesis which produces cloned, early-stage embryos and human embryos generated only from eggs. Speculates that this technology puts therapeutic cloning within reach. (DDR)

The board that advises the Secretary of HEW on ethics has given a qualified approval for further review of federal funding for research on human embryos conceived in the laboratory. Issues and concerns that influenced the board's decision are addressed. (JMD)