Dark Matters: Have We Really Failed To Identify Most Of The Cosmos?

How confident are we that most matter in the universe has so far escaped detection? And if there is dark matter, might there be dark stars and even a dark big bang? Leading physicist Katherine Freese joins Brian Greene to explore these dark matters. Participant: Katherine Freese Moderater: Brian Greene 00:00 - Introduction 02:18 - Participant Introduction 03:09 - Brief History of Dark Matter 06:42 - The Case for Dark Matter 15:32 - Investigating Dark Matter Candidates: WIMPS and AXIONS 22:34 - Identifying Dark Stars 26:52 - Dark Big Bang 31:25 - How Our Knowledge of Dark Matter Has Improved and How Do We Do Further Research? 33:09 - Credits - SUBSCRIBE to our YouTube Channel and “ring the bell“ for all the latest videos from WSF - VISIT our Website: - LIKE us on Facebook: - FOLLOW us on Twitter: #darkmatter #darkstars #cosmology #katherinefreese #briangreene #worldsciencefestival