Jason Goldman, blogger at The Thoughtful Animal, has decided — upon consulting blogger Isis — that jeans make for inappropriate conference-wear. Well, at least in some cases, according to the discussion that took off in comments to this post. "I suppose the main thing is that you minimally need to look like you know what you're doing.

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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.