A team of US researchers conducted a genome-wide association study that uncovered SNPs with tentative links to sexual orientation among men.

The University of Miami's Eden Martin and her colleagues genotyped 1,077 homosexual men and 1,231 heterosexual men. As they write in Scientific Reports this week, no SNP reached genome-wide significance for having an effect on male sexuality, though the researchers did find a handful just shy of significant.

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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.