Rodent Control Suggestions?
Peanut butter works really well for mice; it may also work for rats? [edited to add] Does require a kill trap, mind you!
Online Etiquette
In addition to this one, Id suggest not sending people things that are solely existing to be forwarded. If you must, please check http://snopes.com/ to see if its a legend or myth (if so, please dont pass it along, and perhaps even tell the person you got it...
