Earlier Glimpse

DNA sequencing is changing prenatal screening, writes Jane Brody in her New York Times health column. New prenatal tests look at cell-free DNA from the fetus that is floating in the woman's blood and, Brody notes, appear to be accurate and can be performed early in a pregnancy. Currently, the tests mainly look for trisomies, like trisomy 21.

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An Australian-led team has generated a draft genome assembly of the invasive cane toad in hopes it will help in population control, the Sydney Morning Herald reports.

The New York Times reports that the US Department of Defense has implemented about half the recommendations made to improve safe handling of dangerous agents.

In PLOS this week: approach for teasing out archaic introgression in human genomes, immune transcription features in HCV infection, and more.

Stat News reports that Maryland is promoting itself to the biotech industry with a mobile billboard.