By Andrea Anderson

NEW YORK (GenomeWeb News) – An international research team led by investigators at the University of Oslo's Natural History Museum has sequenced the mitochondrial genome of an ancient polar bear, finding new clues about polar bears' evolutionary history and relationship to brown bears.

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

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

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

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