This Week in Nature

Dave Bartel's lab at MIT has checked in on the origins of small RNAs, finding miRNAs and piRNAs from animal phyla that diverged before the emergence of the Bilateria, including the starlet sea anemone and the sponge. The anemone has many miRNA genes, two classes of piRNAs, and a complement of proteins specific to small-RNA biology comparable to that of humans.

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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.