The New York Times' Nicholas Wade examines genetic imprinting, in what he calls a "tug of war" between the mother's and father's contributions to a fetus. Until recently, Wade notes, about 100 imprinted genes were known. According to research published in Science in July by Harvard's Christopher Gregg and colleagues, there are nearly 1,300 genes imprinted in mice.

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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.