The awesome and devastating power of tornadoes is unlike any other that Mother Nature dishes out. The largest among them, known as EF5s, produce winds in excess of 200 mph and can span two miles across. We discuss the surprising fact that many of the homes in the US aren't constructed with surviving tornadic winds in mind and talk to experts about what you should do to prepare your home.

In this episode, we delve into the latest science of the "urban heat island" effect, learn about the looming threat of a potential "Katrina-like event" that threatens their electrical grid, and explore the gamut of options being pursued by scientists and activists to make life safer and more livable in America's hottest city.