Our attempts to understand the world around us are greatly advanced by scientific research, which holds nearly unlimited potential to address our questions of what? and how? Some scientific fields, however, seem to take a hands-off approach to the big question of why? Why does the universe work the way it does? Why do our brains make us think certain thoughts or feel certain sensations? Why did we evolve the way we did? Some fundamental scientific understanding is necessary before one can venture too deeply into these types of inquiries, which almost ine