Unravelling the common assumption that runners from Kenya, Ethiopia and Somalia have a natural advantage.
Despite killing a majority of people it infects, some patients survive the onslaught of Ebola virus. What gives them this resistance?
The 12,000-year-old skeleton of a teenage girl discovered in a cave in Mexico has confirmed a genetic link between earliest Americans and modern Native-Americans.
Scientists in California have created a living organism with genetic code comprised of six letters rather than four, the first time a living organism has been made from artificial genetic building blocks.
Around one million Britons are directly related to Vikings, with people from the north of Scotland most likely to have Viking DNA, according to a new study.