It's s'more season!  Time to learn how to build that fire and keep it going.

According to The Daily Mail, getting the shape right is crucial.  Duke University's professor of engineering Adrian Bejan says the pyramid structure of a fire is the most effective way to build one and that you should build them as tall as they are wide. He says, "The reason is that this shape is the most efficient for air and heat flow."

Don't build it too high because there will be too much air coming into contact with too little fuel; too broad and the fire starter will have too much fuel and too little air.  Check this out: