In this Plutopia podcast episode, journalist and author Helen Pearson discusses her book Beyond Belief, which traces the rise of evidence-based decision-making in medicine, government, education, conservation, and other fields, arguing that evidence-based practice is both more recent and more fragile than many people realize. Pearson explains how pioneers of evidence-based medicine challenged “eminence-based” authority and helped build systems like randomized trials and systematic reviews, while also emphasizing that evidence is only one part of good decision-making alongside human values, experience, and compassion. The conversation explores how misinformation, influencers, political polarization, and poor communication of scientific uncertainty have eroded trust, especially in the U.S. — but Pearson remains cautiously optimistic, stressing the need to help people ask better questions, synthesize bodies of evidence rather than rely on anecdotes or single studies, and communicate science through engaging stories in the media channels where people actually get information.

Helen Pearson:

We have to understand where people are getting their information from. If science is failing, then it’s because other channels are providing better entertainment and — maybe we touched on this earlier — the idea that scientists need to be where people are. I teach a class in science communication and journalism, and I ask them where they’re getting information from. This is sort of top-level undergraduate students or MSc students. And when I last polled the class, it was an interesting mix actually. They were saying from academic papers and YouTube. Academic papers, I think the scientists have got covered, but YouTube — that’s where that’s where they need to be.

Related: Michael Marshall on Compassionate Skepticism

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