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HOW GULLIBLE ARE WE?

The chemical compound dihydrogen monoxide (or DHMO) has been implicated in the deaths of thousands of Americans every year, mainly through accidental ingestion. In gaseous form, it can cause severe burns. And, according to a new report, "the dangers of this chemical do not end there."

The chemical is so caustic that it "accelerates the corrosion and rusting of many metals, . . . is a major component of acid rain, (and) . . . has been found in excised tumors of terminal cancer patients." Symptoms of ingestion include "excessive sweating and urination," and "for those who have developed a dependency on DHMO, complete withdrawal means certain death."

Yet the presence of the chemical has been confirmed in every river, stream, lake and reservoir in America.

Judging from these facts, do you think dihydrogen monoxide should be banned?

Seems like an open-and-shut case -- until you realize that this chemical compound is plain old water (two hydrogen molecules bonded to one oxygen, or H2O), which can drown you, scald you or make you go to the bathroom.

Last spring, Nathan Zohner, an enterprising 14-year-old student at Eagle Rock Junior High School in Idaho Falls, Idaho, conducted his science fair project on just this theme. Nathan distributed a tongue-in-cheek report that had been kicking around the Internet, "Dihydrogen Monoxide: The Unrecognized Killer" (from which the quotes above are drawn), to 50 of his classmates.

These are smart kids who had studied chemistry; many of them, like Nathan, have parents who work at the nearby Idaho Nuclear Engineering and Environmental Laboratory. Nathan simply asked them to read the report (which is completely factual) and decide what, if anything to do about the chemical. They could even ask the teacher what DHMO was, but none did.

In the end, 43 students, or 86 percent of the sample, "voted to ban dihydrogen monoxide because it has caused too many deaths," wrote Nathan in the conclusion to his project, adding that he "was appalled that my peers were so easily misled. . . . I don't feel comfortable with the current level of understanding."

Me neither, and it's not just kids I worry about. Nathan's project, which won the grand prize at the Greater Idaho Falls Science Fair, was titled, "How Gullible Are We?"

Says David Murray, research director of the non-profit Statistical Assessment Service in Washington, "The likelihood is high that I could replicate these results with a survey of members of Congress."

The implications of Nathan's research are so disturbing that I've decided to coin a term: "Zohnerism," defined as the use of a true fact to lead a scientifically and mathematically ignorant public to a false conclusion.

Environmental hysterics -- Vice President Al Gore springs to mind -- and ideologues in such fields as race, women's issues and economics are adept at using Zohnerisms, with help from the media, to advance their agendas. A few examples:

The breast-implant mania. Dow Corning was driven into bankruptcy through lawsuits over its silicone implants -- even though science doesn't support claims that they're dangerous. Marcia Angell, executive editor of the New England Journal of Medicine, cites the problem jurors "have in thinking in terms of probabilities, or in acknowledging the possibility of coincidence."

Research, she says, has consistently failed to find a link between silicone and disease.

White flight. In the headline above an article last Sunday about population growth in rural areas, The New York Times claimed, "Hint of Racial Undercurrents Is Behind Broad Exodus of Whites." Steven A. Holmes, the reporter, wrote that studies by demographer William Frey "show that of the 40 fastest-growing rural counties, virtually all are at least 70 percent white."

Shocking? Well, according to the Bureau of the Census, 83 percent of the U.S. population is white.

Finding Zohnerisms in the press, Congressional Record and speeches of administration officials makes a great parlor game. One place to start is the collected speeches of EPA chief Carol Browner, who has used Zohnerisms masterfully to promote expensive, disruptive new standards for particulate matter and global warming -- despite evidence from scientists that is, at best, inconclusive.

That's a shame. In a land where technical ignorance reigns and susceptibility to Zohnerisms is high, it's the duty of politicians, journalists and scientists to present facts responsibly and in context.

After all, think what would happen if the EPA really did ban dihydrogen monoxide.

Washington Post

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