John Ward, a Traveller making tinware near Galway, in 1971. Photograph: Pat Langan.

The emergence of Irish Travellers as a distinct group occurred long before the Great Famine, a genetic analysis shows. The study also indicates that(...)

Mycobacterium abscessus has managed to become a global threat to those with cystic fibrosis  and other lung diseases. File photograph: Getty Images

A multi-drug resistant infection is spreading around the world among cystic fibrosis patients. It is not known how the life-threatening infection ha(...)