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Daniel and Kelly’s Extraordinary Universe

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Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science, from particles to black holes to moon colonies to ecosystems to parasites and everything else in the Universe!
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Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science, from particles to black holes to moon colonies to ecosystems to parasites and everything else in the Universe!
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Episodes

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Published 2026-03-10

Listener Questions #32

53 min Transcript
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Daniel and Kelly answer questions about the expanding universe, how sleep aids impact sleep quality, and what characteristics might make aliens better adapted for interstellar travel.

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Daniel and Kelly answer questions about the expanding universe, how sleep aids impact sleep quality, and what characteristics might make aliens better adapted for interstellar travel.

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Published 2026-03-05

Becoming Martian (featuring Dr. Scott Solomon)

56 min Transcript
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Daniel and Kelly welcome Dr. Scott Solomon back on the show to talk about his new book Becoming Martian: How Living in Space Will Change our Bodies and Minds.

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Daniel and Kelly welcome Dr. Scott Solomon back on the show to talk about his new book Becoming Martian: How Living in Space Will Change our Bodies and Minds.

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Published 2026-03-03

Musk on the Moon

57 min Transcript
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Daniel and Kelly discuss Elon Musk's recent announcement that SpaceX has shifted focus from a self-sustaining settlement on Mars to a self-growing city on the Moon.

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Daniel and Kelly discuss Elon Musk's recent announcement that SpaceX has shifted focus from a self-sustaining settlement on Mars to a self-growing city on the Moon.

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Published 2026-02-26

Listener Questions #31

55 min Transcript
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Daniel and Kelly answer questions about how it can both be true that humans share 98.7% of their DNA with bonobos and that fraternal twins share 50% of their DNA, why black holes don't have color charges, and whether or not you could treat a fever or let it ride.

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Daniel and Kelly answer questions about how it can both be true that humans share 98.7% of their DNA with bonobos and that fraternal twins share 50% of their DNA, why black holes don't have color charges, and whether or not you could treat a fever or let it ride.

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Published 2026-02-24

Which planet has the most moons?

63 min Transcript
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Daniel and Kelly revel in the amazing multiplicity of moons in our solar system and what they reveal about our cosmic history.

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Daniel and Kelly revel in the amazing multiplicity of moons in our solar system and what they reveal about our cosmic history.

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Published 2026-02-10

Rabies

56 min Transcript
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Daniel and Kelly talk about rabies, which results in very few deaths in the United States but is a neglected tropical disease - taking approximately 60,000 lives globally each year.

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Daniel and Kelly talk about rabies, which results in very few deaths in the United States but is a neglected tropical disease - taking approximately 60,000 lives globally each year.

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Here’s an episode of a show we think you’ll love. It’s History Daily which tells the fascinating stories of what happened “on this day” in history. New episodes come out every weekday. In this episode, it’s March 11, 1918. A US army cook becomes the first person diagnosed with the Spanish Flu, setting off the deadliest pandemic in modern history.

www.historydaily.com

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Here’s an episode of a show we think you’ll love. It’s History Daily which tells the fascinating stories of what happened “on this day” in history. New episodes come out every weekday. In this episode, it’s March 11, 1918. A US army cook becomes the first person diagnosed with the Spanish Flu, setting off the deadliest pandemic in modern history.

www.historydaily.com

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Published 2026-01-29

What is interspecific brood parasitism?

51 min Transcript
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Daniel and Kelly talk about interspecific brood parasites - which are species that sneak their eggs into the nests of other, unsuspecting species. How do they get away with this?

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Daniel and Kelly talk about interspecific brood parasites - which are species that sneak their eggs into the nests of other, unsuspecting species. How do they get away with this?

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Published 2026-01-08

Zombie fish

54 min Transcript
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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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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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Published 2025-12-30

Perimenopause

60 min Transcript
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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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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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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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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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Published 2025-12-04

How do we control mosquito populations?

66 min Transcript
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Daniel, Kelly, and Katrine chat about how mosquitos find us, and what we can do to protect ourselves from the diseases they transmit.

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Daniel, Kelly, and Katrine chat about how mosquitos find us, and what we can do to protect ourselves from the diseases they transmit.

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Hello Daniel and Kelly's Extraordinary Universe listeners.

We want to share a great show, Inner Cosmos with David Eagleman. ( Neuroscientist and Author)

 

Join David and Daniel as they explore the Brain and the Universe.

“Imagine we eventually meet some alien scientists. If they can see electrons or smell photons, would their science look like ours? Is physics a universal language, or just a local dialect of the human brain? Would aliens use math, or might their truths be organized unrecognizably? Are the “laws of nature” really laws, or simply our interpretations? “

 

Listen Here

and subscribe to Inner Cosmos with David Eagleman: on the iHeartRadio App or wherever you get your podcasts!

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Hello Daniel and Kelly's Extraordinary Universe listeners.

We want to share a great show, Inner Cosmos with David Eagleman. ( Neuroscientist and Author)

 

Join David and Daniel as they explore the Brain and the Universe.

“Imagine we eventually meet some alien scientists. If they can see electrons or smell photons, would their science look like ours? Is physics a universal language, or just a local dialect of the human brain? Would aliens use math, or might their truths be organized unrecognizably? Are the “laws of nature” really laws, or simply our interpretations? “

 

Listen Here

and subscribe to Inner Cosmos with David Eagleman: on the iHeartRadio App or wherever you get your podcasts!

See omnystudio.com/listener for privacy information.

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Daniel and Kelly chat with Dr. John Hawdon about how parasites like hookworm, malaria, and schistosomes hide from our immune system.

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Daniel and Kelly chat with Dr. John Hawdon about how parasites like hookworm, malaria, and schistosomes hide from our immune system.

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Published 2025-11-06

Listener Questions #21 featuring Cat Bohannan

55 min Transcript
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Daniel and Kelly are joined by Cat Bohannan, who answers questions about whether we can shorten gestation, superhuman feats of strength, and whether viruses are ever good for us.

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Daniel and Kelly are joined by Cat Bohannan, who answers questions about whether we can shorten gestation, superhuman feats of strength, and whether viruses are ever good for us.

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Published 2025-11-04

Do Aliens Speak Physics, with Andy Warner

65 min Transcript
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Daniel and Kelly are joined by Andy Warner, the co-author and illustrator of Daniel's new book, Do Aliens Speak Physics, and talk about how we might chat about science with aliens.

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Daniel and Kelly are joined by Andy Warner, the co-author and illustrator of Daniel's new book, Do Aliens Speak Physics, and talk about how we might chat about science with aliens.

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Published 2025-10-23

Is physics discovered or invented?

55 min Transcript
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Daniel and Kelly get concrete about whether physics is the map or the territory, the topic of Daniel's new book "Do Aliens Speak Physics?"

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Daniel and Kelly get concrete about whether physics is the map or the territory, the topic of Daniel's new book "Do Aliens Speak Physics?"

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Published 2025-10-21

Listener Questions #19

44 min Transcript
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Daniel and Kelly answer listener questions about how pinworms know it's nighttime, how quarks contribute to mass, and why eating too many carrots makes your skin yellow.

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Daniel and Kelly answer listener questions about how pinworms know it's nighttime, how quarks contribute to mass, and why eating too many carrots makes your skin yellow.

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Published 2025-10-16

Must there be a single unified theory of physics?

54 min Transcript
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Daniel and Kelly talk to Ethan Siegal about whether we should expect physics to be explained by a single unified theory.

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Daniel and Kelly talk to Ethan Siegal about whether we should expect physics to be explained by a single unified theory.

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Published 2025-10-14

How might aliens perceive the Universe?

51 min Transcript
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Daniel and Kelly talk about how aliens might experience the Universe and how it might shape their science, a topic from Daniel's new book "Do Aliens Speak Physics?"

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Daniel and Kelly talk about how aliens might experience the Universe and how it might shape their science, a topic from Daniel's new book "Do Aliens Speak Physics?"

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Published 2025-10-09

Why do we age? (featuring Dr. Venki Ramakrishnan)

67 min Transcript
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Daniel and Kelly get answers to listener questions about why we age from Dr. Venki Ramakrishnan, author of "Why We Die: The New Science of Aging and the Quest for Immortality".

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Daniel and Kelly get answers to listener questions about why we age from Dr. Venki Ramakrishnan, author of "Why We Die: The New Science of Aging and the Quest for Immortality".

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Published 2025-10-07

Relativistic beaming

48 min Transcript
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Daniel and Kelly talk about how gravity, magnetism and relativity work together to create one of the most brilliant spectacles in the Universe.

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Daniel and Kelly talk about how gravity, magnetism and relativity work together to create one of the most brilliant spectacles in the Universe.

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