Molecular geneticists at Emory University have published a study in PLoS Neglected Tropical Diseases on the possible origins of the substrain of syphilis responsible for the first recorded epidemic in Europe, reports the New York Times. Comparing 21 genetic regions in 26 geographically distinct strains, they concluded that the strains causing venereal disease were most closely related to the non-venereal streains from South America.

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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.