Dark Matter -- Racing to Unlock Its Mysteries

Material called "dark matter" could hold the key to understanding the creation of the universe. Although its composition is completely unknown, dark matter is believed to have more than five times the mass of existing elements like hydrogen and oxygen. Using highly specialized observation devices, scientists around the world are vying to be the first to uncover the secret of dark matter. How do these scientists form their hypotheses and attempt to validate them? Will they ever find out what dark matter is? This program focuses on this fascinating competition among some of the world's top scientists.