The smallest avian genomes are those of hummingbirds, report T. Ryan Gregory and his colleagues in Proceedings of the Royal Society B. According to the paper abstract, the genome sizes of birds are thought to be inhibited by flight's metabolic demands and by the relationship between nuclear DNA content and the size of red bloods cells.

To read the full story....

Register for Free.

Already have a GenomeWeb or 360Dx account?
Login Now.

In a survey, about half of Canadian government scientists say they still feel as though they cannot speak freely, ScienceInsider reports.

The Atlantic reports that biohacker Josiah Zayner regrets injecting himself with the CRISPR gene-editing tool on stage.

Clinicians in China are moving ahead with a number of CRISPR trials, NPR reports, as the US embarks on its first.

In Nature this week: genomic approaches applied to study Neolithic and Bronze Age Europeans, and more.