... for most of us, it is the part of the body we most take for granted. Our brain needs exercise and care in the same way as other parts of the body. We eat the right foods to keep our heart healthy, ... off against each other, and the procedure repeated yet again through a final layer of selection. Thus, the chosen candidates were in the top 1% of the top 1% of the top 1%. The first attempt ... using and exercising the brain. Despite the enormous capacity of the brain, we only use on average 2% of our potential brainpower. There is, therefore, the potential for each of us to expand our...