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Science News for January 28, 2002


Men with higher levels of PCBs more likely to father boys

A recent study published in the Journal of Occupational and Environmental Medicine found that men with higher levels of polychlorinated biphenyls (PCBs) were more likely to father boys. Researchers analyzed data from 208 children born to 101 families, where PCB levels were detectable in both fathers and mothers.

SourceMichigan State University·JournalJournal of Occupational and Environmental Medicine·DateJan 28, 2002

Genetica, Inc. develops high throughput RNAi tool for drug target validation

Researchers at Genetica and Cold Spring Harbor Laboratory have developed a cost-effective method for determining the role of specific genes using RNAi. This approach enables stable silencing of gene expression in mammalian cells, allowing for rapid assessment of gene function, previously limited to plants and certain model organisms.

SourceFeinstein Kean Healthcare·JournalProceedings of the National Academy of Sciences·DateJan 28, 2002