This Week in Science

In Science this week, a Japanese research team reports that multiple copies of genes coding for ribosomal RNA helps protect the yeast genome following DNA damage. By comparing four Saccharomyces cerevisiae strains with 20 to 110 copies of rDNA genes, the researchers found that low-copy strains were more sensitive to a DNA damaging chemical or ultraviolet light than high-copy strains.

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A new report highlights the potential threats posed by advances in synthetic biology, NPR reports.

A Bloomberg reporter tried to get her genetic data deleted, but found it's not so simple to do.

Johns Hopkins University's Steven Salzberg and his colleagues have come up with a new estimate for the number of human genes, Nature News reports.

In Genome Research this week: study of intra-tumor heterogeneity, workflow resources for EPIGEN-Brazil, and more.