Great Courses Plus free trial (sponsor): http://ow.ly/GwCt302OFQp Astrophysicist Denis Barkats arrives at the South Pole and heads to the Dark Sector, where he will do most of his work. This was filmed in December and January when Denis was there and we're uploading the videos in an occasional series. More to come. More from Denis' Antarctica trip: http://bit.ly/Antarctica_SS Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Patreon: https://www.patreon.com/sixtysymbols Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com Email list: http://eepurl.com/YdjL9