In many aspects of our lives, we find meaning in the order in which events occur. We buy into myths about "middle child syndrome," talk of calm before storms, and consider it strange to start a meal ...

Researchers have refined a powerful DNA sequencing tool that can uncover hidden mutations that occur naturally in our bodies as we age. In the largest study to date, they have used the tool to provide ...

Mitochondria act as energy factories in cells and have their own, separate DNA. Mutations to mitochondrial DNA (mtDNA) have been observed in cancer, but it has been unclear how these changes might ...

As we age, our cells accumulate DNA mutations. If any of these mutations confer a growth advantage to a self-renewing or long-lived progenitor cell, its lineage can expand. The progenitor cells that ...