Daniel and Kelly try to get an solid mental picture of this particularly slippery concept

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Daniel and Kelly talk to Dr. Erika Nesvold about ethical questions we should be asking as we prepare to become a multiplanetary species. 

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Daniel and Kelly talk about the future of food in space. Do you like lukewarm cricket tacos? 

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Daniel and Kelly talk about Toxoplasma gondii, and the "science" of ghost hunting.

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Daniel and Kelly discuss the often less-than-delicious history of food in space. 

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Daniel and Kelly take some time to puzzle of the nature of time, an eternally timely mystery.

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Daniel and Kelly wrestle with the the fabric of the Universe itself. What is it, what can it do and why do we have it?

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Daniel and Kelly chat with Dr. Phil Plait about some of the ways space could wipe us all out, or at least really mess up our infrastructure. 

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Daniel and Kelly discuss the Rare Earth Hypothesis, that argues that Earth-like life is vanishingly rare.

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Daniel and Kelly cover some of the many reasons why it's tough to work on the Moon. 

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Daniel and Kelly talk about why we listen to the skies, the amazing WOW signal and a recent theory for what it means.

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