At 1 hour, 39 minutes and 26 sec you can hear Warwick’s Physics Professor and Ph.D. Bill Murray speaking on dark matter, time-tunnels and extra dimensions.
(Turn up your volume for the very nice intro from Cheryl Knight-Wilson, editor of Paranormal Underground Magazine)

http://paranormalunderground.podbean.com/e/paranormal-underground-radio-paranormal-roundtable-with-rick-hale-chuck-gotski-karen-frazier-and-teresa-west/