Atheists (primarily) - What evidence have you to disprove the existence of god(s)/goddess(es)?

Please don't answer if you are just going to criticise the question. This is in response to a question last week http://answers.yahoo.com/question/index;_ylt=AmJDRl0ULrU80.3AgEmbqZvsy6IX;_ylv=3?qid=20071018083406AAAoUcG&show=7#profile-info-STUCpmu8aa where the quesitoner stated it was just a bit of fun,... show more Please don't answer if you are just going to criticise the question.

This is in response to a question last week http://answers.yahoo.com/question/index;... where the quesitoner stated it was just a bit of fun, only to insult anyone who answered.

I'm not going to insult any answers, but wonder - how do you know there are no god(s)/goddess(es)?

To follow the earlier question - the details:

- Your opinion is irrelevant, provide facts only.

- If you can disprove the existence of god(s)/goddess(es), cite your evidence.

- You have to prove that there are no god(s)/goddess(es) - not just no Judeo-Christian God.

- You may not logically contradict yourself.

- References for and quotes and facts are required.

- Your lack of experience with any aspect of any god (or goddess) does not disprove their existence.

Thanks to all those who answer.
Update: Now this is good discussion with lots of thought - and no bashing... keep going folks. (and yes, I realized the logical fallacy of trying to prove a negative when I asked the question)
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