How does information get from the eyes to the brain?
Your brain’s doing its best, but what you see isn’t reality. It's more like a useful hallucination that lets you interact with the world.
What is synaesthesia?
I spent 10 years researching synaesthesia and I’ve squashed all my knowledge into one blog!
Clare explains: What's up with this optical illusion?
This picture looks like it’s in full colour but it’s really black-and-white with an overlaid grid of colour. How does it work?