As it did after the attacks on 9/11, Popular Mechanics is once again looking at evidence and debunking myths, this time combating the false information spread during Hurricane Katrina and its aftermath.

For example, this is rather startling:

[T]he response to Hurricane Katrina was by far the largest–and fastest-rescue effort in U.S. history.

The 9/11 article (March 2005) is here.