Reasonably Optimistic

Are humans alone in the universe? The answer is more complicated than science fiction might suggest. Scientists have discovered billions upon billions of potentially habitable planets. But if life is possible elsewhere, why haven’t we found it?

Host Megan McArdle talks with astrophysicist Adam Frank, author of “The Little Book of Aliens.” They discuss the search for alien life, why intelligent civilizations may be harder to find than microbes and the limits of what UFOs can reveal.

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The average wedding now costs $36,000, and many couples feel like they are being taken for a ride. From weekend bottlenecks and customization to family dynamics and the pressure to get everything right, the answer is more complicated than simple price gouging. Host Megan McArdle explores why modern weddings have become so expensive.

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The average American household is now worth more than $1 million. Yet Gen Z is increasingly pessimistic about its economic future. Why does it feel like so many people are falling behind? Is homeownership out of reach? And how can young people build wealth in an economy that seems both richer and more uncertain than ever?

Megan McArdle talks with Ed Elson, co-host of Prof G Markets, about wealth inequality, housing affordability, social media and the frustrations shaping younger generations' outlook.

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Peptides are suddenly everywhere — touted by influencers, biohackers and longevity enthusiasts as the next breakthrough in wellness. But what exactly are they, and how much do we actually know about the risks?

Host Megan McArdle talks with physician and Washington Post columnist Dr. Leana Wen about the booming peptide economy, the rise of gray-market injections and why so many people are turning to online health communities instead of doctors. As wellness culture pushes further into self-experimentation, how much risk are people willing to take in the pursuit of optimization?

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Trust in public health institutions has fractured since the covid-19 pandemic began, even as the threat of new outbreaks remains. Ebola is spreading in parts of Central Africa. Hantavirus has left some cruise ship passengers under quarantine. Neither is a repeat of covid-19 — and public health officials say the risk to most Americans remains low — but even distant outbreaks now provoke fear, skepticism and debate.

Host Megan McArdle talks with physician and Washington Post contributing columnist Leana S. Wen about what we learned from covid-19, why trust in public health infrastructure has become so fragile and whether America is better prepared for the next serious outbreak — or simply more exhausted and distrustful.

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