Episode 131 – Volcanoes

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When molten rock finds a path to Earth’s surface, the result can include lava seeps, gas leaks, explosions of ash, the reshaping of landscapes, the alteration of the climate, the elimination of ecosystems, and perhaps even in certain cases, widespread extinction. This episode, we talk (at length) about the geological and biological impacts of Volcanoes.

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Episode 130 – Sense of Smell

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With every breath you take, you collect information about your surroundings. This amazing ability is shared across the animal kingdom (and beyond). In this episode, we discuss the diversity and evolutionary history of our Sense of Smell.

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Episode 128 – the Deep Sea

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We’re now taking questions for our End of the Year Q&A! Submit your question here! The form closes December 15th!

Far below the ocean surface, where light, heat, and food become scarce, there is a vast environment that supports strange organisms highly adapted for survival in this harsh underwater landscape. This episode, we discuss the mysteries, past and present, of the Deep Sea.

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Episode 127 – The Hell Creek Formation

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We’re now taking questions for our End of the Year Q&A! Submit your question here!

In the Upper Great Plains of the United States is a series of ancient sediments that have for more than a century been a premier source of information on the very end of the Age of Dinosaurs. This episode, we discuss the history, science, and significance of the Hell Creek Formation.

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Episode 126 – Mimicry

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We’re now taking questions for our End of the Year Q&A! Submit your question here!

Communication is key among organisms. Various signals – sights, sounds, smells – can serve to warn, attract, or manipulate others. So it’s no surprise that many organisms have evolved to copy the signals of others for their own deceitful purposes. In this episode, we discuss the diversity and evolution of Mimicry.

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Episode 124 – Snowball Earth

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An Earth covered in ice might sound far-fetched, but there is enough evidence in the geologic record and climate modeling for Earth scientists to suspect this has actually happened in our planet’s past – more than once. This episode, we discuss the origins, evidence, and much-debated questions surrounding the hypothesis of Snowball Earth.

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