Lee Skallerup Bessette at Inside Higher Ed's College Ready Writing blog this week discusses an oft-forgotten facet of "the economic realities of getting a PhD" — conference season expenses. Attending conferences can be costly, especially for graduate students, many of whom are already pinching pennies.

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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.