HumansHuge study of ancient British DNA reveals only minor Roman influence Genetic analysis of 1039 people buried in Britain between the Bronze Age and the Norman conquest highlights the impact of the Romans, Anglo-Saxons and Vikings on the island’s ancestry News
LifeMicrobe with the smallest genome yet pushes the boundaries of life Symbiotic bacteria living inside insect cells have lost much of their DNA over hundreds of millions of years, much like the ancient microbes that evolved into mitochondria News