Those matrix-like bar codes that have popped up recently, may soon also be found on a research poster near you. QR codes, or quick response codes, can be read by bar code readers and smartphone cameras. Jay Buckley at PosterSession.com's blog — PosterSession.com prints posters — says that he's seen posters with QR codes.

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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.