We cannot think thoughts that are not ours - but there are still those who claim to have external thoughts being put into their heads.
Different parts of our brains process different things, like the facial features, voices and the gait of people we know. But it takes memory to weave them all together into a single picture.
Insects have similar structures in their brains as do we, and that might mean that have a basic form of consciousness.
Consciousness is one of the most mysterious phenomena we know of. But evidence is emerging that it might just be a very special kind of information processing.
Coming into a fortune is definitely not the route to happiness. Here's what you can do to stay chipper.