The Wall Street Journal offers this article on a twin study suggesting that there's an important role for genes "in how people make friends and form social networks." The story quotes medical sociologist Nicholas Christakis at Harvard as saying, "Our work shows how humans, like ants, may assemble themselves into a 'super-organism' with rules governing the assembly, rules that we carry with us deep in our genes." According to the study, your genes may determine both how many friends you have and al

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CNN reports that researchers have tied a new variant to opioid addiction risk.

Organoids derived from patients' tumors may help determine what chemotherapy treatment patients would benefit from, according to New Scientist.

An initiative from GenomeAsia 100K hopes to increase the number of South Asians in genetic research, according to NBC News.

In Science this week: genomic analysis of ancient and modern horses indicates population turnover, and more.