Jack and Mark talk about how certain "big ideas" in physics, called conservation laws, are built upon deep symmetries that are found in nature and in the laws that describe nature. This connection was first discovered by German mathematician Emmy Noether. Listeners will hear how symmetry and violations of symmetry help scientists understand the universe, perhaps explaining why there is more matter in the cosmos than antimatter. In other words, the assymmetry may be related to the the question, "Why is there something rather than nothing."

Click here to view the show notes.