Less is more: Why our brains struggle to subtract

Premise:

It seems that our brains are naturally wired to think in an additive way when we are trying to solve problems. It is one of those brain hacks that we picked up from our ancestors but is no longer as useful to us as it was to them. So, if we can learn to think in the opposite direction, i.e, in a subtractive way, we might surprise ourselves with the solutions that we might arrive at.

The Research and its Findings:

Here is a research paper published by Nature which looks a...