This Week in PNAS

Researchers report their genome-wide association study for age-related macular degeneration in the PNAS Early Edition this week. By interrogating 2,157 cases and 1,150 controls, the team conferred AMD susceptibility loci and genotyped 30 "promising" markers in additional cohorts of up to 7,749 cases and 4,625 controls; here, they identified another susceptibility locus near TIMP3.

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National Geographic reports that marine mammals have lost a gene that could make them more susceptible to organophosphate damage.

NPR reports on Human Cell Atlas Consortium's effort to catalog all the different cell types within the human body.

The Union of Concerned Scientists surveyed US government scientists about Trump Administration policies and more, Science reports.

In PNAS this week: history and genetic diversity of the scarlet macaw, approach for predicting human flu virus evolution, and more.