Gene expression profiling tests can help patients avoid unnecessary chemotherapy treatments, but a new study of breast cancer patients in Canada suggests that many patients have a muddled understanding of how these tests work and may be likely to put faith in the results they want to hear.

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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.