This Week in Science

In Science this week, a team of US and European researchers publishes data showing that microRNAs can act to reduce the variability of protein expression in their target genes, suggesting that the small, non-coding RNAs can enable more precise cellular control of gene expression.

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A genome-wide association study that linked common genetic variants to salivary gland carcinoma risk has been retracted, according to Retraction Watch.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