The BCW Index dropped .67 percent for the week ended Tuesday, mirroring a broader drop in the stock market. The Dow Jones Industrial Average fell 1 percent, the Nasdaq slipped .8 percent, and the Nasdaq Biotech Index dropped 1.1 percent for the tracking period.

Bruker BioSciences had the steepest decline, falling 7.5 percent for the week, while Harvard Bioscience had a setback to its recent rise, dropping 6.9 percent for the week. Thermo Electron led the six stocks that reported gains for the week, rising 2.6 percent.

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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.