A Slight Change

The National Institutes of Health has issued a notice in the Federal Register seeking public comment on a proposed revision of the definition of human embryonic stem cells. The previous definition “had the unintended consequence of excluding certain hESCs which may otherwise be appropriate for federal funding,” the notice reads.

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Researchers hope to tease out the signature effects that different carcinogens leave on the genome to determine their contributions to disease, Mosaic reports.

The Wall Street Journal looks into the cost of new gene therapies.

An Imperial College London-led team reports that it was able to use a gene drive to control a population of lab mosquitos.

In PNAS this week: genomic effects of silver fox domestication, limited effect of mitochondrial mutations on aging in fruit flies, and more.