Darwin's Black Box

Darwin's Black Box
Darwin's Black Box  
paperback edition cover
Author(s) Michael J. Behe
Country United States of America
Language English
Subject(s) Intelligent Design
Publisher Free Press
Publication date September 1996
Media type Hardcover, Paperback
ISBN ISBN 0-684-82754-9
ISBN 978-0-684-82754-4
OCLC Number 34150540
Dewey Decimal 575 20
LC Classification QH367.3 .B43 1996
Followed by The Edge of Evolution

Darwin's Black Box: The Biochemical Challenge to Evolution (1996, first edition; 2006, second edition) is a book written by Michael J. Behe and published by Free Press in which he presents his notion of irreducible complexity and claims that its presence in many biochemical systems indicates therefore that they must be the result of intelligent design rather than evolutionary processes. In 1993, Behe had written a chapter on blood clotting in Of Pandas and People, presenting essentially the same arguments but without the name "irreducible complexity",[1] which he later presented in very similar terms in a chapter in Darwin's Black Box. Behe later agreed that he had written both and agreed to the similarities when he defended intelligent design at the Kitzmiller v. Dover Area School District trial.[2][3]

The book has been a source of controversy, as the scientific community at large considers many criticisms of evolution or proponents of intelligent design to be religious, creationism, and pseudoscience. Common criticisms were that Behe's ideas are not falsifiable, that his definition of an irreducibly complex system is ambiguous, and that he ignores previous work in biochemical evolution. Though influential within the intelligent design movement for several years, the book has lost some of its currency as more and more examples given by Behe as evidence of irreducible complexity have been shown to be explicable by known evolutionary mechanisms, something Behe conceded under cross examination while testifying as an expert witness on behalf of the defendants in Kitzmiller v. Dover Area School District.



The "black box" in the title refers to the conceptual tool in which, for one reason or another, the internal workings of a device are taken for granted, so that its function may be discussed.

Behe begins by reminding the general reader of paradigm shifts in the history of science, in which the foundations and assumptions of theories are examined, sometimes resulting in the rejection of an entire theory. Behe suggests that such a paradigm shift in biology (and particularly in evolution) is imminent due to recent discoveries (circa 1996) in biochemistry. Behe acknowledges acceptance of the Theory of Evolution by "the great majority" of scientists, and states that "most (though not all) do so based on authority."

Behe states that elucidations of the evolutionary history of various biological features typically assume the existence of certain abilities as their starting point, such as Charles Darwin's example of a cluster of light-sensitive spots evolving into an eye via a series of intermediate steps. He then points out that Darwin dismissed the need to explain the origin of the 'simple' light-sensitive spot, summarizes the modern understanding of the biochemistry of vision and claims that many other evolutionary explanations face a similar challenge.

Behe next introduces and defines the concept of irreducible complexity as a system with a series of parts in which the removal of any part causes the entire system to cease functioning, offering a springloaded-bar mousetrap as a familiar example. In the following chapters, Behe discusses the apparent irreducible complexity of several biological systems, including the cilium, the bacterial flagellum, blood clotting, the immune system and intracellular gated and vesicular transport. Behe claims the underlying complexity and biochemical mechanisms of the systems are vastly under-appreciated, and identifies other, similar systems.

Behe identifies one of the primary counter-arguments of irreducible complexity, gradual adaptation—that certain systems may have been co-opted from an original, unrelated role to assume a new function as an irreducibly complex system. He counter-argues that though it is impossible to consider all possible roles for any component, it is extremely implausible that components can fortuitously change function within a complex system and that the focus of the theory changes from making to modifying components and recounts unsuccessful attempts to discover evolutionary pathways for complex systems within scientific journals. Behe states that though he did identify assertions that evolution had occurred, he found none that had been supported by experiment or calculation, and concludes the book by offering intelligent design as a solution to irreducible complexity.


Darwin's Black Box was not well received by the scientific community, which overwhelmingly rejected Behe's premises and arguments. Kenneth Miller described Behe's argument as an updated version of the argument from design with reference to biochemistry (which was echoed by other reviewers[4][5]), and also cites areas in biochemistry and the fossil record which demonstrate currently irreducibly complex systems evolving. Miller also describes Behe's theory as unfalsifiable, arguing that it arbitrarily ignores evidence that shows the evolution of a biochemical system.[6] On his blog, PZ Myers described it as "...an example of pseudoscientific dreck that has been enormously influential."[7] In a review for Nature, Jerry Coyne described the book hailing from 'populist' creationism that failed to deal with the evidence for evolution honestly. Coyne also accuses Behe of quote mining and using ad hominem attacks against scientists while 'timidly accepting' evolution.[8] A review on the pro-evolution website talk.origins, described the book as "...an exposition of the Frontiers of Ignorance" and that within it systems were labeled "irreducibly complex" if Behe was not able to envision a simpler system that still worked. The review also stated that the theory was unfalsifiable (echoing Miller[6]), with faulty logic that worked because Behe did not provide crucial facts that would illustrate its failings.[9] H. Allen Orr has called Behe's argument in the book "...just plain wrong", arguing that gradual adaptation could produce irreducibly complex systems. Orr points to examples of gradual adaptation already known (citing to the work of H. J. Muller in the early 20th century[10]). Behe is also criticized for claiming a conspiracy of silence among scientists regarding the 'failure of Darwinism'.[4]

Richard Dawkins criticized the book for being logically flawed by setting up a false dichotomy in which Darwinian evolution is rejected despite what he sees as an enormous amount of positive evidence due to a single apparent failure to explain irreducible complexity. Dawkins further commented that it was an argument Darwin himself had anticipated, and that the example of a bacterial flagellum used by Behe had in fact been refuted by Kenneth R. Miller in Kitzmiller v. Dover Area School District.[11]

Behe has responded to some of these criticisms.[12] The politically conservative magazine National Review voted Darwin's Black Box one of their top 100 non-fiction books of the century. [13]

Views of Creation

In a review of Behe's paper 'Design vs. Randomness in Evolution: Where Do the Data Point?', Denis Lamoureux criticised Darwin's Black Box as having become central to fundamentalist and evangelical anti-evolution critiques against biological evolution. Behe supports the historically incorrect misrepresentation that Darwin's views on the origin of life were atheistic, when On the Origin of Species repeatedly refers to a Creator in a positive and supportive context as impressing laws on matter. Though Behe has avoided committing himself to the view that God intervenes directly in nature to create purportedly irreducibly complex structures, Darwin's Black Box briefly speculates that Divine intervention might have caused the direct creation of a cell from which all of life evolved, supporting creationist views of miraculous acts of creation, but ironically echoing Darwin's stated "view of life, with its several powers, having been originally breathed into a few forms or into one". Behe's claim that the creation of an original first cell represents a "gap" in the laws of nature needing divine intervention appears to be the problematic God of the gaps position which is subject to the gaps being filled by scientific discoveries. Behe's thesis that irreducible structures are created in "one fell swoop" is opposed by other biochemists, including many who are devout Christians, and has, it is claimed by some, no support from the fossil record - something Behe would dispute.[14]

Peer review controversy

In 2005, while testifying for the defense in the Dover trial, Behe claimed under oath that the book had received a more thorough peer review than a scholarly article in a refereed journal,[15] a claim which appears to conflict the facts of the book's peer review.[16] Four of the book's five reviewers (Michael Atchison, Robert Shapiro, K. John Morrow, and Russell Doolittle) have made statements that contradict or otherwise do not support Behe's claim of the book passing a rigorous peer review.

Michael Atchison
Atchison has stated that he did not review the book at all, but spent 10 minutes on the phone receiving a brief overview of the book which he then endorsed without ever seeing the text.[17]
Robert Shapiro
Shapiro has said that he reviewed the book, and while he agreed with some of its analysis of origin-of-life research, he thought its conclusions are false, though the best explanation of the argument from design that was available.[18] Had the book been submitted to a peer-reviewed journal and this comment had appeared, the review provided by Shapiro would have forced the conclusions regarding intelligent design to be changed or removed.[18]
K. John Morrow
Morrow criticized the book as appalling and unsupported, which contributed to the original publisher turning down the book for publication.[19]
Russell Doolittle
Doolittle, upon whom Behe based much of his discussion of blood clotting, described it as misrepresenting many important points and disingenuous,[20] which also contributed to the original publisher turning down the book for publication.[21]

In the same trial, Behe eventually testified under oath that "There are no peer reviewed articles by anyone advocating for intelligent design supported by pertinent experiments or calculations which provide detailed rigorous accounts of how intelligent design of any biological system occurred".[22] The result of the trial was the ruling that intelligent design is not science and is essentially religious in nature.


  1. ^ Nicholas J Matzke (September–October 2004). "Design on Trial in Dover, Pennsylvania | NCSE". National Center for Science Education. http://ncse.com/rncse/24/5/design-trial-dover-pennsylvania. Retrieved 2009-07-28. "Even Michael Behe's "irreducible complexity" argument (though not the signature phrase) appears in print for the first time in the second edition of Pandas" 
  2. ^ Matzke, Nick (Jan 4, 2009). "God of the Gaps…in your own knowledge. Luskin, Behe, & blood-clotting". The Panda's Thumb (blog). http://pandasthumb.org/archives/2009/01/god-of-the-gapsin-your-own-knowledge-luskin-behe-blood-clotting.html. Retrieved 2009-01-05. 
  3. ^ "Kitzmiller v. Dover: Day 11, AM: Michael Behe". http://www.talkorigins.org/faqs/dover/day11am.html. Retrieved 2009-07-28. 
  4. ^ a b Dorit, Robert (1997). "A review of Darwin's Black Box". American Scientist September/October 1997. http://www.americanscientist.org/bookshelf/pub/a-review-of-darwins-black-box-the-biochemical-challenge-to-evolution-by-michael-j-behe. Retrieved 2009-03-16. 
  5. ^ Orr, H. Allen (December 1996/January 1997). "Darwin v. Intelligent Design (Again): The latest attack on evolution is cleverly argued, biologically informed—and wrong". Boston Review 22 (6). http://bostonreview.net/BR21.6/orr.html. Retrieved 2007-11-02. 
  6. ^ a b Miller, Kenneth R. (1996). "Darwin's Black Box, reviewed by Kenneth R. Miller". Creation/Evolution 16: 36–40. http://www.millerandlevine.com/km/evol/behe-review/index.html. Retrieved 2007-11-02. 
  7. ^ Myers, Paul (2006-11-22). "Bad books" (php). Pharyngula. http://scienceblogs.com/pharyngula/2006/11/bad_books.php. Retrieved 2007-11-02. 
  8. ^ Coyne, J.A. (1996). "Darwin's Black Box: The Biochemical Challenge to Evolution by MJ Behe". Nature 383 (6597): 227–227. doi:10.1038/383227b0. http://www.simonyi.ox.ac.uk/dawkins/WorldOfDawkins-archive/Catalano/box/nature.shtml. [dead link]
  9. ^ Robison, Keith (1996-12-11 (most recent update)). "Darwin's Black Box: Irreducible Complexity or Irreproducible Irreducibility?". talk.origins. http://www.talkorigins.org/faqs/behe/review.html. Retrieved 2007-11-02. 
  10. ^ Muller, H. J. (1939). "Reversibility in evolution considered from the standpoint of genetics". Biological Reviews 14 (3): 261–80. doi:10.1111/j.1469-185X.1939.tb00934.x. 
  11. ^ Dawkins, Richard (2007-07-01). "Inferior Design". The New York Times. http://select.nytimes.com/preview/2007/07/01/books/1154680128921.html. Retrieved 2007-11-02. 
  12. ^ Response to critical reviews by:
  13. ^ "National Post 100 Best Non-Fiction Books of the Century". National Post. http://old.nationalreview.com/flashback/flashback200510190827.asp. 
  14. ^ Denis O. Lamoureux (July 1999). "A Black Box or a Black Hole? A Response to Michael Behe". Canadian Catholic Review. pp. 67–73. http://www.ualberta.ca/~dlamoure/3Behe.htm. Retrieved 2009-02-14. 
  15. ^ Behe, Michael (n.d.). "Federal Rule of Civil Procedure 26: Disclosure of Expert Testimony of Michael Behe" (PDF). National Center for Science Education. http://ncse.com/webfm_send/309. Retrieved 2009-11-06. 
  16. ^ Myers, Paul (2005-10-20). "Behe pwnage". Pharyngula. http://pharyngula.org/index/weblog/comments/behe_pwnage/. Retrieved 2007-11-02. 
  17. ^ Atchison, Michael (2004-06-11). "Mustard Seeds". http://www.leaderu.com/real/ri9902/atchison.html. Retrieved 2007-11-02. 
  18. ^ a b Evans, Skip (2005-10-22). "Robert Shapiro on Behe and ID". The Panda's Thumb. http://pandasthumb.org/archives/2005/10/robert-shapiro.html. 
  19. ^ "Comment on 'Robert Shapiro on Behe and ID'". The Panda's Thumb. 2005-10-24. http://www.pandasthumb.org/archives/2005/10/robert_shapiro.html#comment-50770. Retrieved 2007-11-02. 
  20. ^ Doolittle, Russell (March/February 1997). "A Delicate Balance". Boston Review. http://bostonreview.net/BR22.1/doolittle.html. Retrieved 2008-12-12. 
  21. ^ Two of Behe's Reviewers Speak Out at the Wayback Machine
  22. ^ Kitzmiller v. Dover Area School District/4:Whether ID Is Science, p88

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