Donald Trump has put women’s lives at risk around the world by defunding maternal healthcare schemes, say Anne-Marie Slaughter and Elizabeth Radin.

The Irishman was the first person to prove the dangers of greenhouse gases and the need for hygiene in medicine. As his life’s letters are published, Ailin Quinlan learns that Tyndall was a fearless ambassador for science

We are using the atmosphere as if it is an open sewer, former US vice-president Al Gore, told a major international conference on hunger and climate change in Dublin yesterday.

MEMBERS of the public are being invited to vote on the greatest medical advances in more than a century.