Some days, after a good night's rest and a protein rich breakfast, my brain works wonderfully. It's well wrinkled, filled to the brim with answers and snapping synapses. Other days, after an epic night and a regurgitated breakfast, my brain just doesn't want to be bothered. It's smooth and thoughtless. How does that damn brain work? ASAP Science analyzes the brain by detailing the difference between fast thinking and slow thinking. You're going to think in a whole new way after this. [YouTube]