This Week in PNAS

In PNAS this week, researchers from California report their approach to imaging glycans to enable visualization in the enveloping layer during the early stages of zebrafish embryogenesis. The researchers microinjected the embryos with azidosugars at the one-cell stage and detected the metabolically labeled glycans with copper-free click chemistry.

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The New York Times and ProPublica look into the close relationship between a startup and Memorial Sloan Kettering Cancer Center.

Yahoo News reports millions of dollars are being transferred from NIH, CDC, and other programs to pay for the housing of detained undocumented immigrant children.

Researchers gave a handful of octopuses MDMA to find that they too act more social on the drug, Gizmodo reports.

In Science this week: in vitro generation of human reproductive cells, and more.