The idea that war is a mental contest isn’t new. The strategist Sun Tzu argued so in his book The Art of War some 2,500 years ago. But in an age of globalised and social media, the cognitive aspects of warfare, such as using manipulation and disinformation to gain an advantage and control people, are becoming increasingly worrisome. A foreign power flooding your media with false health alerts can, after all, easily create panic and disorder.

Cognitive warfare can ultimately incite violence based on false information or cause injury and death by secondary effects. But because it doesn’t directly use bombs or bullets, it exists in a legal vacuum. Many experts are now arguing we should reconsider what “threats” mean in modern wars and that we should look should to human rights frameworks for solutions.

Donald Trump’s USAID cuts are devastating health programmes around the world. For our latest Insights long read, we hear from two researchers who’ve been on the ground in Kenya to learn the full extent of what the cuts mean for healthcare providers and the people that rely on them.

You might have seen the viral story over the weekend of the couple spotted at a Coldplay concert who many speculated must be having an affair. I’m not sure whether the band had an appropriate song to play, but adultery has long been the subject of art, as this fascinating tour through changing representations of cheating throughout history reveals.