This is the first in a two-part series that examines how--or whether--drug companies and the US Food and Drug Administration can use microarray data in the drug-approval process. Today's installment covers whether microarray technology has a place in the later stages of drug development, while tomorrow's article will explore how the FDA and pharma firms plan to usher the technology into the mainstream.

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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.