TechnologyHow to avoid being fooled by AI-generated misinformation Advances in generative AI mean fake images, videos, audio and bots are now everywhere. But studies have revealed the best ways to tell if something is real Features
HumansWhy did humans evolve big brains? A new idea bodes ill for our future Recent fossil finds suggest that big brains weren't an evolutionary asset to our ancestors but evolved by accident – and are likely to shrink again in the near future Features