With recent court rulings in the US against Prometheus Laboratories and Myriad Genetics, rules issued by the Patent and Trademark Office say that for an invention to be patentable it has to be "significantly different" from natural products.
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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.