How extreme heat affects the body – and the best ways to cope | New Scientist
Passengers on the London Underground during the heatwave on 26 June
Guy Bell / Alamy
The heatwave that hit Europe at the end of June was the hottest ever and came less than a month after another record-breaking heatwave in May. Now, another heatwave has started that is forecast to last even longer, bringing temperatures of up to 34°C (93°F) to the UK.