This Week in PNAS

In the PNAS Early Edition this week, Stephen Quake and his colleagues at Stanford University report their development of a universal, non-invasive approach to monitor the health of transplanted organs that uses high-throughput shotgun sequencing to detect donor cell-free DNA circulating in recipients' blood. Quake et al.

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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.