Tracing Roots

The maternal lineage of Ashkenazi Jews traces back to Europe, according to a new study in Nature Communications from researchers led by the University of Leed's Martin Richards. The paternal lineage as been traced separately using the Y chromosome to the Near East.

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The New York Times reports that as China invests in science, it also is dealing with research fraud.

In PLOS this week: transcriptome study of a cold-tolerant plant, deep sequencing of clinical influenza A samples, and more.

The Atlantic writes that retrotransposons like BovB have proliferated in a number of genomes.

Researchers have sequenced the genome of a man who lived in China some 40,000 years ago, according to UPI.