Lee Smolin argues pretty concretely and convincingly that the anthropic principle cannot be science because it cannot yield falsifiable predictions: http://arx

Lee Smolin argues pretty concretely and convincingly that the anthropic principle cannot be science because it cannot yield falsifiable predictions: http://arxiv.org/abs/hep-th/0407213 http://arxiv.org/abs/hep-th/0407213 On a side note, his book "The Trouble with Physics" is a great (though very pop-physicsy) read on the history and philosophy of physics.