Special Offer! Use our link https://joinnautilus.com/SABINE to get 15% off your membership! Dark energy and dark matter are two placeholders for mysterious forces and substances that expand our universe and make up the majority of its matter, respectively. In a new theory, one physicist says that defects in spacetime explain both of these mysteries at the same time. Let’s take a look. This video comes with a quiz which you can take here: https://quizwithit.com/start_thequiz/