How your house can resist tornadoes the Three Little Pigs way

Engineers at Western University who practise blowing the roof off a house say there are simple, cheap and effective ways to keep a house intact in high winds.
The biggest goal is to keep the roof from flying away, said Gregory Kopp, a wind engineering expert and acting dean of engineering at Western.
He works with the Insurance Research Lab for Better Homes, better known as the Three Little Pigs house: A lab where they huff and they puff and they design a house to survive.
The main lesson from t