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Episode 94. Lead Poisoning: Bruce Lanphear
Our health, and the health of wildlife, depends on a clean environment. Since the advent of the industrial revolution, our environment has suffered from waves of pollution as different technologies came to the fore, each with its own set of practical benefits and associated chemical waste. Perhaps the most insidious of these environmental pollutants is lead. With us to discuss the history of lead as an environmental contaminant is Bruce Lanphear. For over 30 years, Bruce has investigated how toxic chemicals harm human health, especially the health of children. His research helped shape U.S. federal standards for lead in air, water, and house dust, and played a key role in the landmark conclusion that no amount of lead is safe for children.
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Episode 93. Attacks on University Research: Claudia Polsky
The year 2025 has seen the most aggressive moves ever by the US executive branch against scientific research as the Trump Administration has gutted federal science and regulatory agencies and cancelled billions of dollars in research grants that had already been awarded to universities. With me to discuss the Trump Administration attacks on university research is Claudia Polsky. Claudia is a clinical professor of law and the founding director of the Environmental Law Clinic at the University of California, Berkeley.
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Episode 92. ATSDR: Jaimi Dowdell
In Episode 62, I interviewed two Reuters journalists about how industry and government in the United States use conservation easements to avoid rigorous cleanup of contaminated sites. Today, one of those journalists, Jaimi Dowdell, is back to discuss how a federal agency responsible for community health assessments has a history of failing to protect the communities that seek its aid. Jaimi was part of the Reuters team that won the 2021 Pulitzer Prize in Explanatory Reporting. Today we discuss the Reuters special report published in August 2024 and entitled, "How a US health agency became a shield for polluters."
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Episode 91. Political Bias: Bill von Hippel
In prior episodes, we examined political interference and bias in science in a few contexts, including episode 3 on the history of U.S. congressional attacks on science, episode 57 on types of bias, episode 65 on ideology and science, and episode 84 on the academy's ideological march to the left and antisemitism on American college campuses. Since those episodes, America went back to the future with the election for the second time of Donald Trump, and the Trump Administration has attacked elite American universities such as Columbia and Harvard with historic intensity. These attacks are motivated by the right's revulsion with the dominance of leftist bias on these universities. We do not know what the outcome of these battles will be. Indeed, as of this recording, Harvard University is challenging the Trump Administration in the American courts, while many other universities are trying to placate the administration or avoid its gaze. However, the fundamental complaint by the right, that elite universities have become bastions of the left and lack diversity of thought, warrants an examination. In today's episode, I explore this topic with my brother Bill. We discuss how political bias distorts the science produced in universities, especially in the social sciences, and we discuss the implications. Bill is the author of over 150 articles in psychology, as well as the books The Social Leap, published in 2018, and The Social Paradox, published in 2025, both by Harper Collins Publishers.
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Episode 90. Physicists as Biologists: William Lanouette
In prior episodes, I have interviewed many people about the history of physics and physics-adjacent topics such as nuclear disarmament. Many of the physicists we have discussed also made forays into biology. Today I explore this transition of physicists working in biology with William Lanouette. Bill is a writer and public policy analyst who has specialized in the history of nuclear energy and nuclear weapons.
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