Joseph Lister

The actor’s beloved stepdaughter, Nataasha van Kampen, died aged 28 in 2012

At the outbreak of a virus, masks may give a sense of comfort but there is debate over their efficacy, with some medical professionals arguing that regular hand-washing is much more effective

In its first 50 years, stories of ‘remarkable’ and ‘extraordinary’ operations became regular features in The Irish Times

Extraordinary Emigrants: John Tyndall’s inventions also led to modern fibre optics, respirators, and fog horns

When Coca Cola was first put on sale in 1886, marketed as a cure for morphine addiction, indigestion, nerve disorder, headaches and impotence