How Should Science Journalists Cover Single-Study Stories? – The Wire

Posted: October 19, 2019 at 9:47 am

The recent announcement that scientists discovered water on the planet K2-18b, 110 light years away, prompted a media swoon. News stories, including a piece written by me, billed it as the first detection of water on a potentially habitable planet outside our solar system.

The blowback from the astronomy community was swift. A chorus of critics stated on Twitter that, although K2-18b orbits its host star within a distance range astronomers call the habitable zone, the planet is most likely too hot and under too much pressure to support life.

The sentiments expressed in a Scientific American essay by Harvard University astronomer Laura Kreidberg were typical of many in the community. Kreidbergs piece suggested that news outlets were crying wolf and that scientists, press officers, and the press had all contributed to the misreporting of the story.

But in describing K2-18b as a potentially habitable planet, journalists were accurately reporting the views of the scientists who led one of the research studies. Those scientists repeatedly stated to reporters that the planet was potentially habitable and they continued to say so when the specific criticisms of their peers were put to them.

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The episode highlights a longstanding issue: How should we science journalists cover incremental research advances, especially when the underlying science is unsettled?

Recent history gives us numerous examples of how these so-called single-study stories can go wrong. Among the most notable was the coverage of a 1998 Lancet paper in which Andrew Wakefield and coauthors proposed that a combined measles, mumps, and rubella vaccine was linked to autism and bowel disease. Another high profile case involved papers published in Science in 2004 and 2005 in which a group led by Hwang Woo-Suk claimed to have cloned human embryonic stem cells for the first time.

Both research efforts were later discredited. In the case of the Wakefield paper, the selection of the sample group was biased, there were undisclosed vested interests, and the authors made several claims that did not stand up to scrutiny. The paper was retracted in 2010. Woo-Suks papers were simply fraudulent.

Id suggest that both of these cases are outliers; the media was duped as were the journals themselves by researchers who had an agenda or were simply dishonest about their results. Even when scientists act in good faith, however, things can go wrong. It is legitimate to ask those at the highest level of their profession to give their view on their own work, even if that view is speculative and at odds with what their rivals and colleagues have to say. But there are a few provisos.

First, a journalist should always reflect dissenting views. Sadly, much if not most coverage of the K2-18b story failed to do this, as is all too often the case with other single-study stories. (My own K2-18b coverage came under criticism for initially not including enough dissenting voices.) Many journalists believe that if research has been published in a peer-reviewed journal, it must be credible, and they make the mistake of reporting the research uncritically.

As I suggested in an article for BBC News, it is our job as science journalists to challenge what we are told. This is especially the case now that more of us report on controversial topics such as genetically modified crops, cloning, and climate change, which have complex political, as well as scientific, dimensions.

But even in the case of basic science discoveries in the realm, say, of anthropology or dark energy there is often plenty of debate. The standard narrative, people used to think x and now, because of this discovery they think y, is not the way science works, and it quite frankly makes for boring copy.

A second proviso is that all voices are not equal. The views of people who are not qualified in the particular area of research in question carry less weight than those of people who are. Like many serious journalism platforms, BBC News, where I work, has a strict policy of balance and impartiality. In the 1990s and 2000s, that policy led many of our programs to balance scientific voices warning of climate change or reassuring people about the safety of vaccines with the voices of people arguing the opposite.

The contrarian views would often come from pressure groups such as climate change deniers and anti-vaxxers or from scientists commenting on a specialty different than their own. The BBCs science and health correspondents argued strongly against the policy, which had been at the heart of the organisations journalism. In 2010, this led to a change in editorial guidelines, the new stance being that due weight should be given to the scientific consensus on any given subject before reflecting contrary views.

A third and final proviso is to beware of science journalisms oldest enemy: hype. Journalists should be wary both of researchers natural enthusiasm and of their sometimes-deliberate efforts to drum up publicity in order to secure research funding. In academia, cures for cancer, a new understanding of physics, and bottomless sources of clean energy are seemingly always between five and 10 years away.

The most recent example of a new technology being touted as an answer to all our problems is gene editing. In August 2017, Shoukhrat Mitalipov and colleagues reported in the journal Nature that they had successfully repaired a gene associated with a rare heart condition in a human embryo. The research has since been challenged, but in reporting the development, Britains bestselling daily newspaper, The Sun, loaded on the hyperbole, writing that the revolutionary work could help end 10,000 hereditary illnesses including cancer and that scientists say it could signal the end to inherited diseases.

Seventeen years earlier, British tabloids were saying the same thing about gene therapy. A story in The Daily Expresss Sunday Review in July 2000 asked: Could we be on the verge of the greatest medical advance ever seen, even greater than the defeat of smallpox or cholera the defeat of time itself? Similarly rosy predictions were made in 2007 about how microbes would provide an endless supply of biofuel.

Such credulous reporting may be becoming more prevalent, ironically, because of scientific institutions efforts to be helpful to science journalists. Organizations such as the UKs Science Media Center have sprouted up to coordinate the dissemination of press releases and other resources to journalists, often with the stated aim of countering misinformation. We science journalists get ideas, our editors get happy, uplifting stories, and the public gets a warm glow in its heart.

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But an information pipeline that runs uninterrupted from scientists to press officers to the news media puts us at risk of another kind of misinformation. A great science story counts for nothing if it gives readers a misleading impression or paints a cartoonish, one-dimensional picture of how science works. Such stories are their own brand of fake news. In writing them, we do neither the scientists, their press officers, nor our readers any favours.

When I started as a science journalist in the 1980s, single-study stories were the norm. Our job was to translate complex scientific information and artfully explain its significance to a non-scientific audience.

But many of us saw a responsibility to do more: to challenge, weigh, and assess the tablets of stone we were handed from omniscient researchers and to put them in a societal context. In other words, we became journalists, using our own skills and experience to add value and provide an important civic service.

My sense, though, is that because of staff and budget cuts, the extra time and effort needed to fulfil that role are seen by editors as luxuries, and so single-study stories are on the increase.

Perhaps in 20 years time scientists will have confirmed that K2-18b really is habitable. Until then, lets hope that science journalists will have the time and the self-confidence to listen to a range of views, and to give their own perspectives.

Pallab Ghosh is an award-winning science correspondent with BBC News. He works across television, radio, online, and digital platforms.

This article was originally published on Undark. Read the original article.

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How Should Science Journalists Cover Single-Study Stories? - The Wire

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