Just One

As techniques become more refined, researchers are increasingly able to separate, amplify, and analyze DNA from single cells, though there are still technical hurdles.

"People are becoming very interested in what is the variation from cell to cell," the University of Texas MD Anderson Cancer Center's Nicholas Navin tells Nature News.

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In Science this week: swapping yeast genes with human orthologs to study conservation of function, and more.

Hong Kong is using DNA phenotyping to shame litterers.

A study appearing in Cell suggests some metastatic castration-resistant prostate cancer patients could benefit from PARP inhibitor therapy.

NIH's Francis Collins writes that scientific advances are poised to help populations all over the world, but more scientists are needed to keep the momentum.