Charles Darwin carried out experiments on inbreeding in plants that led him to worry about the health of his children, note Francisco Ceballos and his colleagues in this month's BioScience. The researchers then examine the family trees of both Charles Darwin and his wife Emma Wedgewood, who was also his first cousin, to determine if Darwin's fears were founded — and the researchers say they were.

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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.