This Week in Science

Science's special section this week looks at the cell's nucleus. A news story chronicles the search for the spindle matrix, a still-hypothetical cellular structure that may underlie the spindle. Kristen Johansen and Jørgen Johansen have uncovered four matrix protein candidates and Yixian Zheng has isolated RanGTPase which triggers spindle formation in frog eggs.

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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.

Researchers have sequenced the genome of a man who lived in China some 40,000 years ago, according to UPI.

The Atlantic writes that retrotransposons like BovB have proliferated in a number of genomes.