Can humans use more than 10% brain usage? But how did humans calculate that we all use 10% brain power if we dont know

Can humans use more than 10% brain usage? But how did humans calculate that we all use 10% brain power if we dont know the human brain capacity in the beginning?

Posted on June 16, 2015 by in Question. Comments Off on Can humans use more than 10% brain usage? But how did humans calculate that we all use 10% brain power if we dont know