Daniel and Kelly talk to Prof. Scott Egan about the meaning of species in modern biology.

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Daniel and Kelly explain the bizarre Tychonic model of the solar system, which for centuries stood as a valid theory alongside the Copernican model.

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Daniel and Kelly answer questions about relativistic paradoxes, parasitoid wasp viruses, and detector technologies.

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A recent paper found tantalizing evidence that rural raccoons are showing evidence of domestication. So how long until we all have pet raccoons? And how well do we really understand the domestication process anyway?

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Daniel and Kelly dig into the mysterious concept of quantum contexuality: how measurements depend on each other.

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Daniel and Kelly answer questions about muscle memory, water-less showers, and why everyone can't be ambidextrous.

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Over 50% of Earth's surface is the deep seabed. Dr. Andrew Thaler joins Daniel and Kelly to talk about the amazing diversity of life on the deep seabed, the resources found here, and the rules that govern this region.

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Daniel and Kelly explain how signals get jammed, how to avoid being jammed, and whose music makes the best jam.

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Daniel and Kelly answer questions about aliens watching Earth, about lone species, and about the size limits of intelligence.

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Parasites can have amazingly complicated life cycles - moving through a series of host species, and looking quite different while residing within each type of host. Frankly, this stumped scientists for a long time. In today's episode, Daniel and Kelly take a stroll through the history of science to explore how we finally started to figure parasite life cycles out.

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