The Four Types

The Cancer Genome Atlas reports on four breast cancer subtypes, in Nature. The researchers examined tumor and germline DNA from 825 patients using a number of different approaches, including mRNA expression microarrays DNA methylation chips, and whole-exome sequencing, among others. From this profiling, the researchers found that mutations in only three genes, TP53, PIK3CA, and GATA3, occurred in more than 10 percent of breast tumors.

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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.

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

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