Just exactly where dogs come from isn't quite clear, but researchers are turning to genetics and other tools to sniff out where and when an ancient wolf became man's best friend, the New York Times reports.
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Thermo Fisher Scientific says it will no longer sell machines in China's Xinjiang region, according to the Wall Street Journal.
New Scientist reports that 20 percent of human and yeast proteins are uncharacterized.
The University of Zurich's Ruedi Aebersold and his colleagues analyzed a dozen HeLa cell lines to find differences in gene expression, protein levels, and more.
In Nature this week: protein-coding variants associated with body-fat distribution, and more.