Can Science Explain Everything?

Many questions and a continued debate on intelligent design versus evolution.

This article first appeared in the The Wall Street Journal on August 8, 2000

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If John Scopes were alive today, he might be arrested for speaking against evolution in a public school, rather than in favor of it.



Scopes stood trial in Dayton, Tenn., 75 years ago this summer for using "Hunter's Civic Biology," a textbook containing a paragraph on Charles Darwin, in violation of a state law prohibiting the teaching of natural selection. The Tennessee law was embarrassingly wrong-headed. Evolution unquestionably occurs and is essential to understanding biology.

But today the pendulum has swung in the opposite direction, with everyone from the Supreme Court to establishment media holding that students should hear only Darwin's side of the debate. This situation is just as preposterous as the situation in Tennessee in 1925--and just as bad for freedom of thought. Once you weren't supposed to question God. Now you're not supposed to question the head of the biology department.

Dogmatic Science

Consider the reporting on the actions of the Kansas Board of Education. Last year, when the board voted to delete some requirements for the teaching of evolution from the state's nonbinding guidelines, the reaction was as if Galileo had been hauled back before the Inquisition. Headlines proclaimed Kansas had "banned" the teaching of Darwin, when the board's action was strictly advisory. Local school districts were free to ignore the guidelines, and almost all did.

Last week, when the board members who had voted for the new guidelines were defeated in the state primary, assuring that pro-evolution guidelines will be restored, news accounts treated this as a last-second victory over the forces of darkness. They didn't add that because of a copyright snafu, the 1999 guidelines were never actually promulgated. Not only had darkness not fallen over Kansas, from the standpoint of the classroom nothing had happened at all.

The 1999 guidelines did not endorse or even mention creationism. In 1986, the Supreme Court correctly ruled that public schools must not teach creationism because it is effectively a religious doctrine. The version of creationism that supposes that Earth was formed a relatively short time ago, and that man has no evolutionary antecedent, is a Biblical contention without any scientific support.

What Kansas's board did do was suggest schools teach only part of natural selection theory. It advised that children be taught that living things evolve in response to changes in their environments. The evidence on this point, as Harvard's Stephen Jay Gould has noted, is as strong as the evidence that Earth orbits the sun. But the board advised against teaching that life began through a totally natural, undirected process. The board was wrong to try to edit contemporary biology in this way. Even if a wholly spontaneous origin of life turns out to be incorrect, it is today's mainstream science and children need to learn it.

More objectionable, perhaps, was the board's advice against teaching Big Bang theory. Big Bang theory enjoys almost unanimous support among cosmologists and even has moderate theological backing, for instance from the Vatican Observatory. This theory may or may not stand the test of time--all previous theories of the origin of the cosmos are now thought wrong, so don't hold your breath for the Big Bang--but kids cannot understand astronomy without knowing the ideas behind it.Yet though the Kansas board was wrong on some points, those who denounced it skipped the valid substance behind its thinking. There is a lively scientific debate these days on the absence of explanations for the origin of life. Evolutionary theory is commonly misunderstood to explain the origin of life; actually, it applies only to how organisms that already exist respond to their environments. All theories on origins, most recently the "RNA world" hypothesis (that life began with a chemical relative of DNA), are extremely conjectural. Darwin himself said he had no clue how life began, and considered creation an impenetrable mystery.

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Gregg Easterbrook
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