Conflict

To make D-Day a success, the Allies thought they might have to break through formidable German defences. One unconventional idea was a "giant firework".

Norway's proximity to the USSR in the Cold War led to it building many military bunkers – some of them vast secret bases. Tensions with Russia have brought the bunkers back into focus

Following a spate of predator attacks on hikers and park rangers in the US, Ally Hirschlag investigates why animals attack humans in the wild.

As the conflicts in Gaza and Ukraine continue, there’s deepening concern for the trauma that may come later. But war has been around for millennia. How did our ancestors cope?

Mental health workers in Ukraine have been providing urgent psychological care since Russia's full-scale invasion. Their work could limit the mental health repercussions of war.

Russia's invasion is leaving a toxic trace on Ukrainian soil, contaminating crops and posing a serious long-term risk to human health.

Unprecedented levels of dam building and water extraction by nations on great rivers are leaving countries further downstream increasingly thirsty, increasing the risk of conflicts.

In an age of Brexit, Trump and Covid-19, disagreements can feel acute. But are there ways to make the debate more civil – and more useful?