The BCW Index rose .9 percent for the week ended Tuesday, outgaining the Nasdaq, which rose .2 percent for the tracking period, and the Nasdaq Biotech Index, which climbed .7 percent. The Dow Jones Industrial Average declined .3 percent.

Shares of Bruker BioSciences rose 4.3 percent to lead the Index, while Harvard Bioscience continued its recent ascent with a 4 percent gain for the week. Only four firms in the Index posted declines this week, led by a 1.7 percent dip for Bio-Rad Laboratories.

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The president of France's National Research Agency has resigned, according to Nature News.

A senator wants a "right-to-try" provision in the US Food and Drug Administration funding bill, but an ethicist says at Stat News that it would undermine the role of clinical trials.

In PNAS this week: red algae Porphyra umbicalis genome, deep neural network model for sequencing peptides, and more.

The Guardian's Barbara Ellen has tried out some DNA testing services to see whether they provide valuable information.