#403 – Lisa Randall: Dark Matter, Theoretical Physics, and Extinction Events

1077.066 - 1099.798 Lisa Randall

But again, we have to get outside the mindset of just humans and ask what else could be there. And so what we suggested is that there's a fraction of dark matter, not all the dark matter, but some of the dark matter, maybe it has interactions of its own. Just the same way in our universe, we have lots of different types of matter. We have nuclei, we have electrons, we have forces.