In the Blood

Lasker Award winner David Weatherall became interested in genetic blood diseases while doing his compulsory military service in Singapore where he treated a Nepalese girl with anemia — she had thalessemia, which had been throught to only affect people of Mediterranean heritage. As he tells the New York Times' Claudia Dreifus, following his military service, Weatherall was "hooked" and went to Johns Hopkins.

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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.