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ID claims that naturally occurring complexity must be artificial since it is complex - a circular logic fallacy.

You misrepresent ID. It purports that random chance could not have created complexity with order.

SETI is looking for a signal that has a simplicity and efficiency that can not be observed being produced by any natural source.

You mean simplicity and efficiency like that found in our own DNA? When the human genome was mapped, scientists were stunned by the lack of complexity, finding far fewer combinations possible than was believed necessary to create the diversity of human life.

You misrepresent ID. It purports that random chance could not have created complexity with order.

"Complexity with order" occurs consistently in the natural world and not due to "random chance." Snow drifts and sand dunes form mathematically complex forms, weather is a wide ranging complex systems, molecular structures are ordered and complex. None of these form from random chance. When a protein forms, it follows very exact rules that govern the relationship of atoms, molecular orbital mechanics, etc. - primary, secondary, and tertiary structures follow precise mechanisms and form very complex, ordered structures.

No outside planned design but internal physical laws govern. Yet, ID states that it is soooo complex that it must be designed (no evidence whatsoever, no experimentation, nothing to support it) because it is sooo complex.

You mean simplicity and efficiency like that found in our own DNA?

DNA is far from simple - and is used as a complexity argument for ID - it is a huge conglomeration of physical interactions producing a complex order.

DNA is also far from efficient. It consists of mostly wasted space. Introns, 'dead' spots, repetitive stop and start codons (some stop codons don't even stop anything - it's like part of the programming was damaged but never thrown away)fill DNA. Every transcription has errors - so much so that a separate mechanism for fixing errors exists (like producing Yugos that have to go to the Goodwrench repair shop before they can be sold) and multiple errors occur in replication.

Any worthwhile engineer could design a better system.

SETI is looking for narrow, high energy signals without cross-frequency turbulence. No known natural source produces this.

"You mean simplicity and efficiency like that found in our own DNA? When the human genome was mapped, scientists were stunned by the lack of complexity, finding far fewer combinations possible than was believed necessary to create the diversity of human life.

This is in direct contradiction to the fellows at DI.

You IDists might want to get your story straight.