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: http://www.worldsciencefestival.com - LIKE us on Facebook: https://www.facebook.com/worldsciencefestival - FOLLOW us on Twitter: https://twitter.com/WorldSciFest #darkmatter #darkstars #cosmology #katherinefreese #briangreene #worldsciencefestival
