When are positive results a bad thing? When they indicate a possible "threat" to science, according to the University of Edinburgh. In a new study published in Scientometrics, Edinburgh's Daniele Fanelli examined more than 4,600 scientific papers published between 1990 and 2007, and found "a steady decline in studies in which the findings contradicted scientific hypotheses," the university says in a statement.

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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.