List of racist, sexist, or impossible SF cliches to avoid

Hey everyone,

You can find a list of commonly used science fiction story cliches (including racist, sexist ones to avoid using) at http://www.geocities.com/evilsnack/cliche.htm

The cliches range from the harmless ones that have been overused, to cliches that are scientifically impossible (with explanations of why they aren't scientifically possible) and bigoted cliches we should all avoid using.

Go read!