Skin Tree of Life (IMAGE) Cell Press Caption In the image, the diversity of the skin microbial world is displayed on the Tree of Life, highlighting the use of metagenomic sequencing to study the biogeography and stability of the skin microbiome. Credit Alan Hoofring, National Institutes of Health Usage Restrictions Credit Required. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.