When we get nervous, a number of processes occur in the brain that are passed onto the stomach and affect the digestive process. This is a hangover from our hunter-gatherer days.
Visiting a haunted house or watching a horror movie can be terrifying and enjoyable at the same time. A sociologist explains the psychological benefits of being safely scared.
Two neural systems record traumatic memories, meaning they can be remembered in both conscious and unconscious ways.
Meet the brawny bug with a concoction so caustic it'll make a toad vomit.
Modern life has removed real fear as an experience for most of us. But this basic animal emotion is crucial to the human experience
What science can tell us about ageing and strength.
Freezing might have psychological benefits. Many people who “freeze” report little or no memory of the trauma.