An analysis of the bones and teeth of ancient mammoths (Mammuthus) has identified some of the microorganisms that lived in the animals’ mouths and bodies more than one million years ago. The study, ...

All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics-meticulously placed chemical tags that influence which genes are expressed in ...

A whole-genome sequencing approach shows early promise over current commercial methods for identifying more patients likely ...