It is a cloud-crazy world out there.

First we were horrified to read on the US satirical news website, The Onion, that Senator John Edwards was vowing to ban clouds. Imagine our relief to learn, therefore, that one of his presidential campaign opponents, Rudolph Giuliani, had rallied to their defence.

Now the website reports that scientists from the University of Chicago are theorising about what would happen if they touched a cloud. Read about it here.