Science & technology | The ultimate puzzle
What is consciousness?
Understanding what consciousness is, and why and how it evolved, is perhaps the greatest mystery known to science
More from Science & technology
Large language models are getting bigger and better
Can they keep improving forever?
What is screen time doing to children?
Demands grow to restrict young people’s access to phones and social media
Locust-busting is getting a upgrade
From pesticides to drones, new technologies are helping win an age-old battle