This Week in Science

In Science this week, Eric Nestler and his team explore the epigenetics of cocaine addiction. They found that repeated cocaine exposure in mice is linked to decreased histone 3 lysine 9 dimethylation levels in the nucleus accumbens, a brain region involved in reward and pleasure circuitry.

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A new analysis examines the gender gap among paper authors in the sciences and says it may take decades or more to close.

Researchers have uncovered signals of selection that may enable the Bajau people to free five hundreds of feet deep, Reuters reports.

In Science this week: paternally inherited cis-regulatory structural variants in autism, and more.

A new report outlines issues facing the implementation of personalized medicine in the UK, the Independent reports.