Having minds that work this way is one of the great strengths of the human species. Rather than being forced to rely on our own resources for everything, we can share our knowledge and so pool our understanding. Technology keeps track of things for individuals so we don't have to, while large systems of knowledge serve the needs of society as a whole. I don't know how a computer works, or how to grow broccoli, but that knowledge is out there and I get to benefit. And the internet provides even more potential to share this knowledge. Wikipedia is one of the best examples – an evolving store of the world's knowledge for which everyone can benefit from. I use Wikipedia every day, aware of all the caveats of doing so, because it supports me in all the thinking I do for things like this column.
So as well as having a physical environment – like the rooms or buildings we live or work in – we also have a mental environment. Which means that when I ask you where your mind is, you shouldn’t point toward the centre of your forehead. As research on areas like transactive memory shows, our minds are made up just as much by the people and tools around us as they are by the brain cells inside our skull.
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