Researchers have reconstructed what they think the first flowering plant looked like, the Guardian reports. It describes the flower as "[d]elicate and upturned, with curving petals arranged in threes."
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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.