When I was in school I liked math because all the problems had answers. Everything else seemed very subjective.

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

Physicists have yet to understand why the Higgs boson's mass is what it is.

Travel at faster than the speed of light certainly can have dramatic implications that are difficult to understand, such as time travel.

I'm not creating the universe. I'm creating a model of the universe, which may or may not be true.

Although I was first drawn to math and science by the certainty they promised, today I find the unanswered questions and the unexpected connections at least as attractive.

Scientific research involves going beyond the well-trodden and well-tested ideas and theories that form the core of scientific knowledge. During the time scientists are working things out, some results will be right, and others will be wrong. Over time, the right results will emerge.