All Episodes

Lee Billings on the Search for Life in a Silent Universe

September 27, 2017

It’s a big cosmos out there. It wasn’t too long ago that we couldn’t be sure that any planets existed anywhere outside of our own solar system. But in just the past handful of years, we’ve learned that planets orbiting stars are the rule, not the exception, which suggests…

Be Not Constrained: James Croft on Humanists’ Responsibility to Fight Oppression

August 24, 2017

The modern conception of secular humanism arose in large part as a response to the horrors of Nazism and the Holocaust, and the evils of racism and bigotry. Humanist Manifesto II, written in 1973, called for “the elimination of all discrimination based upon race, religion, sex, age, or national…

Space Reporter Loren Grush: Hope and Hubris in Space Exploration

July 18, 2017

The U.S. space program is both beloved and neglected. It brings us breathtaking pictures from distant worlds and drives the human species to push itself farther out into the cosmos. But at the same time, it is subject to terrestrial political concerns, and without the urgency of a Cold…

Elizabeth Kolbert on Coming to Grips with a Warming Planet

June 12, 2017

We want to believe that climate change can be stopped, that humanity can summon the political will to take decisive and meaningful action to avert disaster and save civilization. But the difficult reality is that even if we make our very best efforts to rein in greenhouse gas emissions,…

Carl Pope on Trump, Paris, and the Climate: We’re Going to Be Okay

June 02, 2017

On June 1, President Donald Trump declared that he was withdrawing the United States from the Paris climate accord, an international agreement meant to significantly reduce greenhouse gas emissions and limit the global average temperature increase to no more than 2 degrees Celsius. For those who accept the reality…

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