A McGill University-led team explores genetic and environmental impact on human methylome variation in dozens of adipose tissue and blood samples from identical or non-identical twins. In an effort to characterize methylation patterns at sites with or without high levels of cytosine and guanine bases, the researchers did whole-genome bisulfite sequencing on adipose samples from seven pairs of identical twins, six non-identical twin pairs, and eight non-twin individuals.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.