This Week in PNAS

In this week's PNAS, research led by Stanford University scientists studied antibodies to β-amyloid (Aβ) proteins on a large scale. Using peptide arrays on plasma samples and cerebrospinal fluid of patients with Alzheimer's disease, they found natural antibodies against known toxic Aβ and amyloidogenic non-Aβ peptides and that these antibodies decrease with age and advancing Alzheimer's.

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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.