Hear why supersymmetry was special enough to win over physicists hearts, and why faith in it might be dying out.

Today we explore one of the biggest and most frustrating open problems of particle physics - the hierarchy problem.

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Learn how astronomers are using invisible particles to see what we've never seen before!

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Learn about the oldest light in the universe - the cosmic microwave background - and how it became a treasure trove of cosmological insight.

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Hear what proved to physicists that the universe started with the Big Bang - and the one person who was never convinced.

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Learn how a profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the universe.

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A rerun of one of our favorite episodes ever. Some physicists have considered the possibility that dark matter might not exist - and that instead, it's our theories of gravity which are wrong. Today we take a deep dive into these theories of modified gravity.

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A re-post of one of our favorite early episodes. Learn how special relativity and quantum mechanics come together to make an odd prediction about matter.

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Get our introduction to the measurement that might prove the Standard Model wrong!

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The Big Bang theory leaves us with some open questions, and the theory of inflation might have the answers.

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