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{"id":4501,"date":"2011-11-11T11:57:01","date_gmt":"2011-11-11T16:57:01","guid":{"rendered":"http:\/\/www.patheos.com\/blogs\/religionprof\/?p=4501"},"modified":"2011-11-11T11:57:01","modified_gmt":"2011-11-11T16:57:01","slug":"monkeys-typewriters-and-evolution","status":"publish","type":"post","link":"https:\/\/www.patheos.com\/blogs\/religionprof\/2011\/11\/monkeys-typewriters-and-evolution.html","title":{"rendered":"Monkeys, Typewriters and Evolution"},"content":{"rendered":"\n<\/head>

$\"\"$ It is a famous analogy which has been used by both sides in the evolution debate: If you give one or more monkeys typewriters and an infinite amount of time, supposedly they will eventually produce the works of William Shakespeare<\/a>.<\/p>\n

The necessary rationale for that is of course infinity: in an infinite amount of time, randomness will (it is believed) produce every possible circumstance. But since evolution doesn\u2019t have an infinite amount of time, and is not completely random, those who object that this is a poor argument for evolution seem to be right.<\/p>\n

But that is not an argument against evolution, but merely a problem with the analogy.<\/p>\n

If we want to make a realistic analogy to evolution, one can have computers (or monkeys, if one really prefers) generating random sequences of letters. Like DNA, there should only be four letters used in the \u201calphabet\u201d of this \u201clanguage.\u201d In the \u201clanguage\u201d in question, all words\u00a0are three letters long. And every word means something<\/em>.<\/p>\n

$\"\"$ That would be a better analogy to evolution. DNA involves four different molecules, arranged in \u201cwords\u201d three molecules long. Every combination means something<\/em>, even if only \u201cIgnore me.\u201d And we know that letters get changed through mutations \u2013 that much is observable and well-documented.<\/p>\n

I don\u2019t see how anyone can deny that genuinely new information can emerge under such circumstances. When I typed this blog post, I didn\u2019t invent a new language, new letters, or new words. I simply arranged letters into existing words, and used them to produce new information in the form of this blog post. No words have been added to the English language, but would anyone deny that I have \u201cadded new information\u201d to the blogosphere?<\/p>\n

There is a lesson in this: choose your analogies wisely. Monkeys with typewriters with only four keys, and a language with no spaces, and in which every combination of letters means something, illustrates the way evolution works. The poor analogy of monkeys using ordinary typewriters to eventually accidentally type Shakespeare only serves to make it seem implausible. A good analogy, on the other hand, should help even skeptics understand how evolution works and why it makes sense.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"