This Week in Nature

In this week's Nature, researchers from the University of Chicago report on the discovery that a single gene, and not a cluster of linked genes as previously thought, can affect the entire wing pattern of butterflies to make them resemble that of a toxic species. In some butterflies, the female is capable of mimicking the wing pattern of another, toxic insect, which offers a survival benefit.

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Gene drives might run into biological resistance, the Economist reports.

Forensic experts exhumed painter Salvador Dalí's body to collect DNA for a paternity test, CBS News reports.

Yale Environment 360 writes that synthetic and conservation biologists aren't always on the same wavelength, but they are trying to reach an understanding.

In Science this week: full CRISPR locus integration complex structure, and more.