Where do we find sodium chloride in nature and why do we enjoy it in food so much?

By spring 1941, the Afrika Korps was advancing across eastern Libya towards Egypt and the Suez Canal. But a dusty port town lay in their path

The Germans possessed two monstrous M-Gerät howitzer guns nicknamed ‘Big Bertha’ – but they were barely finished and had undergone no testing when the First World War broke out. Even so, on 2 August 1

Hidden preservatives, disguised sugars, ultra-processing and even insects: uncover the truth behind your food’s shopping list of secret ingredients

Conflict photography has been manipulated in a range of ways since the medium began, as Hilary Roberts reveals in her new book. She talks to David Clark

Leading historians share the texts that have inspired and informed their work