Extreme heat more dangerous for people 60 and over than previously thought

The actor does a brilliant job of probing the alleged dumping of ‘forever chemicals’ in Wales. After grilling a stranger for two days, his investigation turns up horrible incidents – including potential links to cancer cases You may scoff at celebrity-fronted documentaries, but there’s no need to moan about Buried With Michael Sheen, an investigation into how toxic “forever chemicals” were dumped in Welsh quarries in the middle of the 20th century. Much of our knowledge of the subject comes from a filmed interview given nearly 10 years ago by the environmental campaigner Douglas Gowan, who, after decades of trying to raise awareness, had only weeks to live and wanted to divulge all he had learned. The person behind the camera and asking the questions? Sheen. The actor and director is a little coy about how or why he came to spend two days – two days! – grilling a stranger to create the most valuable document we have about an underappreciated injustice. He says something about stumbling across Gowan online during a career lull and wanting to know more. But however it happened, the fact is that the best qualified person to present this two-parter is the award-winning Hollywood star, so here he is...

Strain of virus with no vaccine has potential to overrun response impeded by conflict and misinformation Health authorities in the Democratic Republic of the Congo are losing their battle to contain the country’s deadliest Ebola outbreak. DRC’s health ministry declared an outbreak in Ituri province on 15 May, though sequencing shows it had begun in February. It has since spread to five other provinces and is on track to overtake the 2014-16 west Africa outbreak as the largest in history...

Rescuers found a 29-year-old man in serious condition on the volcano’s eastern slope on Sunday. He was later pronounced dead at a hospital in Catania.