The Philippine Star's Dominic Foo and Raymond Tan emphasize the importance of productive PhD students for running a successful academic research program. "Our personal advice is to hire one good PhD student, rather than having several of average quality. The principle of 'quality over quantity' allows one to retain focus," Foo and Tan write.

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Technology Review reports that researchers in the US have used CRISPR to modify a number of human embryos.

By introducing genes from butterfly peas and Canterbury bells, researchers in Japan have developed a blue chrysanthemum, according to NPR.

Plant researchers plan to sequence some 10,000 samples that represent the major plant clades, ScienceInsider reports.

In Nature this week: a Danish reference genome, and more.