To tell whether patients' tumors have returned after treatment, physicians rely on CT scans or additional biopsies, but a newer approach is offering a less invasive way to gauge recurrence, the New York Times' Gina Kolata reports.
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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.