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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!

Daniel and Jorge Explain the Universe

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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How might aliens perceive the Universe?

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

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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Relativistic beaming

Daniel and Kelly talk to Phil Metzger about the engineering challenges of building self-replication space probes.

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Can we explore the galaxy with self-replicating probes?

Daniel and Kelly answer questions about gravtational slingshots, megafauna and microscopic black holes!

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Listener Questions #18

Daniel and Kelly talk to Phil Halper about the many mysteries of the origins of the Universe.

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What came before the Big Bang?

Daniel and Kelly dig into the mysteries of magnetism, explaining how magnets work and what they reveal about the Universe.

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The Mysteries of Magnetism

Daniel and Kelly talk to Sean Carroll about where some of the basic assumptions we make about the Universe come from, and whether we need them.

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Does physics have to be causal and local?

Daniel and Kelly talk about the science behind the "zombie ants".

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Zombie ants

Daniel and Kelly shine a light on the inner workings of one of the crucial parts of the scientific process: peer review. How does it work? Who are these peers? Can peer-reviewed papers be wrong, and does that mean that all of science is questionable?

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How does scientific peer review work?

Daniel and Kelly appreciate that they've never had to worry about getting smallpox, and talk about the scientific and public health advancements that saved humanity from this ancient scourge.

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Killing the Speckled Monster: How We Eradicated Smallpox

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