An article in the Guardian wonders whether designer babies -- as well as IVF used to avoid having children with major diseases -- will ever be possible, considering our current lack of knowledge of gene function and how genes and environment interact. Vivienne Parry writes, "Altering genes isn't like editing a document in Word. DNA is an invisibly thin molecule coiled upon itself with the millions of letters that we can't see -- trying to alter just three letters without damaging anything else is a truly daunting task.

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A genome-wide association study that linked common genetic variants to salivary gland carcinoma risk has been retracted, according to Retraction Watch.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