Stemming the Tide

Nanoparticles can make clotting more effective, say researchers in Technology Review. Case Western University's Erin Lavik says that these particles, which attach themselves to the endogenous platelets, help clotting occur. In rodents with femoral artery injuries, the particles were able to cut bleeding time in half. Some day, the researchers say, this could be used to treat traumatic injuries, including those sustained by soldiers.

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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.