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This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, researchers from Denmark, the Netherlands, and the US report on their DNA sequencing of ancient samples from a 17th century burial ground on Saint Martin in their effort to understand the geographic origins of individuals involved in the transatlantic slave trade.

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Australia will not be regulating gene editing of plants, animals, and human cell lines as long as no new genetic material is incorporated, reports Nature News.

The Washington Post reports that the US Department of Agriculture told its researchers to label peer-reviewed articles as "preliminary" work.

Researchers have sequenced the genomes of both the coast redwood and the giant sequoia, according to the San Francisco Chronicle.

In PNAS this week: study of epigenetic patterns in mammalian eggs, clonal expansion patterns in CD8+ T cells, and more.