DNA

The method was pioneered by UK scientists to overcome devastating, often fatal inherited diseases.

The research has been taboo until now because of concerns it could lead to designer babies.

Scientists start a controversial project to create the building blocks of human life, in what is thought to be a world first.

Matthew's father died late last year - before learning the truth about his family history.

Researchers in Japan and US have unlocked the 60-year mystery of what gives cats their orange colour.

The UK led the way in this field of science until recently - but now other countries have overtaken. So, how can that lead be recovered?

Experts at the National Institute of Health and Care Research say they need more diverse samples.

Nine-month-old Noah Jordan from Cornwall died 18 days after being diagnosed with the disease.