NEW YORK (GenomeWeb News) – A study appearing online today in Nature suggests that convergent evolution at hundreds of sites across the genome has helped animals in at least three mammalian lineages acquire the ability to navigate with the help of sound.

Researchers from the UK, Denmark, and Italy started by doing whole-genome sequencing on four new bat species, including three representatives that are capable of echolocation and one that is not.

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The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.

Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.

Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.

In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.