By learning what parts of the brain are crucial for imagination to work, neuroscientists can look back over hundreds of millions of years of evolution to figure out when it first emerged.
Our research is countering some previous ideas about what factors might slow down ageing. Further study could help us create targeted treatments in humans too.
When you’re warm and cozy inside, it can be natural to wonder if the animals you see outside your window this winter are doing OK. Don’t worry – they’re doing better out there than you would.