Before you discard scratched CDs, watch this quick video that demonstrates how to repair scratches from the shiny surface of CD and DVD disks using just a banana.

It's a three step process - apply a layer of banana, then spread it using the banana peel and finally wipe the surface using a soft cloth. This method may bring some of your old but priceless CDs back to life.

redbalcony.com. Some more tips on cleaning DVD & CD discs.