Ancient DNA data hold insights into past organisms and ecosystems — handle them with more care
DNA fragments extracted from archaeological human remains can be sequenced to identify the microorganisms that caused disease.Credit: Microgen/Getty Over the past ten years or so, investigations of degraded or ‘ancient’ DNA have skyrocketed. By extracting DNA fragments from diverse sources —from human teeth and faeces to soil samples and ice cores — researchers have uncovered … Read more