By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – PerkinElmer reported after the close of the market Thursday that its fourth-quarter revenues increased 15 percent, or 6 percent organically, over the fourth quarter of 2010.

The Waltham, Mass.-based analytical tools firm brought in total revenues of $540.2 million for the three-month period ended Jan. 1, 2012, compared to $470 million for the fourth quarter of 2010. It beat analysts' consensus estimate for revenues of $537.1 million.

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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.