Daniel and Kelly’s Extraordinary Universe

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Latest Episodes:

What can we learn by smashing muons together? Jan 13, 2026

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Daniel and Kelly talk about why particle physicists are excited about a muon collider.

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Zombie fish Jan 08, 2026

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Daniel and Kelly talk about a brain-infecting parasite of California Killifish, and discuss how the parasite might be altering the fish's behavior to its own ends.

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The several styles of singularities Jan 06, 2026

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Daniel and Kelly take a tour through the various singularities that are predicted by general relativity.

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Listener Questions #26 Jan 01, 2026

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Daniel and Kelly answer questions about tornadoes, water purification, and massive moons in the sky.

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Perimenopause Dec 30, 2025

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Daniel, Kelly, and Katrine discuss what happens during menopause, why evolutionary biologists think menopause occurs, and our current knowledge of the risks of hormone therapy.

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What's the densest thing in the Universe that's not a black hole? Dec 25, 2025

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Daniel and Kelly dive into the hearts of blue giants, massive planets, and neutron stars to reveal a surprising limit on cosmic density.

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Listener Questions #25 Dec 23, 2025

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Daniel and Kelly answer questions about kissing bugs, magnetic fields in the Sun, and microbiomes in space.

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How many rogue planets and stars are there? Dec 18, 2025

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Daniel and Kelly answer a question from a listener about planets without stars and stars without galaxies.