Here's a twist on the usual experiments to image genes and proteins in vivo. German and American optical imaging researchers have created a new near-infrared imaging system that uses ultrafast cameras to capture light that hasn't scattered, or so-called early arriving photons, effectively allowing them to view deeper tissues at higher resolution. So far, the work has focused on mice and is still in early stages.

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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.