Houseflies are close human companions, New Scientist says. Cornell University entomologist Jeffrey Scott, who recently published on the housefly genome in Genome Biology, tells the New Scientist that flies seem to have spread out of Africa as people did.

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A new study in JAMA finds that genetic tests might not be able to determine what diet is right for someone seeking to lose weight.

A genome-wide association study that linked common genetic variants to salivary gland carcinoma risk has been retracted, according to Retraction Watch.

Vampire bats' ability to live off blood is etched in their genomes and gut microbiomes, the Scientist reports.

In Genome Biology this week: peopling of the Sahara, epigenetic reprogramming analysis of liverwort, and more.