This Week in Science

In this week's Science, an international team led by investigators at the UK's Medical Research Council Laboratory of Molecular Biology shows that "genetic information can be stored in and recovered from six alternative genetic polymers — xeno-nucleic acids, or XNAs, which are not found in nature.

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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.