Researchers at the Dana-Farber Cancer Institute may have the best news for couch potatoes since the invention of the Thighmaster — a newly identified hormone that changes white fat cells into brown fat cells, reports Technology Review's Karen Weintraub. The naturally occurring hormone "acts like exercise on muscle tissue," Weintraub says, by burning calories and improving the body's ability to process insulin.

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Nature calls for genomics to become part of the World Health Organization's cholera surveillance approach.

Reuters reports that UK researchers are using gene-editing tools to develop flu-resistant chickens.

Vox explores a proposal to institute a lottery system to award grant funds.

In Genome Biology this week: gut microbiome study of individuals from Tanzania and Botswana, sixth version of the Network of Cancer Genes database, and more.