When it comes to the world around us, is there any choice but to explore?

I considered going into business or becoming a lawyer - not for the money, but for the thrill of problem-solving.

All the normal matter in the Milky Way disc is denser than the dark matter that surrounds it.

We certainly don't yet know all the answers. But the universe is about to be pried open.

When it comes to the world around us, is there any choice but to explore?

I did not set out to explain the extinction of the dinosaurs. I'm a particle physicist, and I was actually thinking about dark matter along with some collaborators.

Maybe dark matter is denser than we usually assume, kind of like the Milky Way plane.