a period when the largest desert in the world temporarily turned into a humid savanna-like environment. By analyzing the DNA of two 7,000-year-old ...

This genetic reunion, occurring roughly 300,000 years ago, resulted in one group contributing 80% of modern human DNA, while the other provided the remaining 20%. These findings suggest human ...

A new study suggests that severe trauma, like that experienced in war, can leave epigenetic “scars” on DNA that endures for generations. In the early 1980s, the Syrian regime carried out a ...

All modern humans share DNA from two ancient populations that split 1.5 million years ago and reunited through interbreeding about 300,000 years ago. The genetic mixture is approximately 80% from one ...

The small study in patients with a rare disorder that causes liver and lung damage showed the potential for precisely targeted infusions. By Gina Kolata Researchers have corrected a disease ...

The basic pattern of genomic DNA methylation is established at the time of embryo implantation through a wave of de novo methylation, but CpG islands are protected through a mechanism that ...