96 | Lina Necib on What and Where the Dark Matter Is

96 | Lina Necib on What and Where the Dark Matter Is

The past few centuries of scientific progress have displaced humanity from the center of it all: the Earth is not at the middle of the Solar System, the Sun is but one star in a large galaxy, there are trillions of galaxies, and so on. Now we know that we're not even made of the same stuff as most of the universe; for every amount of ordinary atoms and other known particles, there is five times as much dark matter, some kind of stuff we haven't identified in laboratory experiments. But we do know a great deal about the behavior of dark matter. I talk with Lina Necib about why we think there's dark matter, what it might be, and how it's distributed in the galaxy. The latter question has seen enormous recent progress, especially from high-precision measurements of the distribution of stars in the Milky Way.

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Lina Necib received her Ph.D. in physics from the Massachusetts Institute of Technology. She is currently a Sherman Fairchild Postdoctoral Scholar in Theoretical Physics at Caltech, and will be an Assistant Professor of Physics at MIT starting in the fall. Her research spans issues in particle physics and astrophysics, especially concerning the nature and distribution of dark matter, as well as techniques for detecting it and constraining its properties.


Jaksot(415)

308 | Alison Gopnik on Children, AI, and Modes of Thinking

308 | Alison Gopnik on Children, AI, and Modes of Thinking

We often study cognition in other species, in part to learn about modes of thinking that are different from our own. Today's guest, psychologist/philosopher Alison Gopnik, argues that we needn't look ...

17 Maalis 20251h 9min

AMA | March 2025

AMA | March 2025

Welcome to the March 2025 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patre...

10 Maalis 20252h 58min

307 | Kevin Peterson on the Theory of Cocktails

307 | Kevin Peterson on the Theory of Cocktails

A lot of science goes into crafting the perfect cocktail. Balancing sweet and bitter notes, providing the right amount of aeration and dilution, getting it to just the right temperature and keeping it...

3 Maalis 20251h 16min

306 | Helen Czerski on Our Energetic Oceans

306 | Helen Czerski on Our Energetic Oceans

It is commonplace to refer to the Earth's oceans as vast and largely unexplored. But we do understand some aspects, and improving that understanding is crucial to ensuring the continued viability and ...

24 Helmi 20251h 12min

305 | Lilliana Mason on Polarization and Political Psychology

305 | Lilliana Mason on Polarization and Political Psychology

Political outcomes would be relatively simple to predict and understand if only people were well-informed, entirely rational, and perfectly self-interested. Alas, real human beings are messy, emotiona...

17 Helmi 20251h 17min

Bonus | Cuts to Science Funding and Why They Matter

Bonus | Cuts to Science Funding and Why They Matter

The Trump administration, led by Elon Musk and his Department of Government Efficiency, has proposed sweeping cuts to spending on science research here in the US, in particular at the National Institu...

12 Helmi 20251h 10min

304 | James Evans on Innovation, Consolidation, and the Science of Science

304 | James Evans on Innovation, Consolidation, and the Science of Science

It is a feature of many human activities - sports, cooking, music, interpersonal relations - that being able to do them well doesn't necessarily mean you can accurately describe how to do them well. S...

10 Helmi 20251h 16min

303 | AMA | February 2025

303 | AMA | February 2025

Welcome to the February 2025 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Pa...

3 Helmi 20253h 44min

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