Human brain folds are a highly evolved trait. Only mammals have evolved this ability and amongst them only cats, dogs, monkeys, dolphins and humans. Other animals and mammals like rats are still have their 'primitive' flat, unfolded brains.The folds in the brain of course have technical names.uman brain folds are a highly evolved trait. Only mammals have evolved this ability and amongst them only cats, dogs, monkeys, dolphins and humans. Other animals and mammals like rats are still have their 'primitive' flat, unfolded brains. The folds in the brain of course have technical names.
Depending on the type of your roof, geographic location, and the company or weekend warrior you choose to hire, the total installed cost of a composition shingles roof could vary between $2.75 to $7.50 per square foot installed.
Tile Roofing Prices. On average, tile roofs cost $700 to $800 per square to install, though they can cost anywhere between $400 and $1,000 per square. Tiles come in clay or concrete but can be shaped in many different ways even to the point of looking like wood shake.