On 29 October at 6PM, Dr. KC Freeman, Fellow of the Royal Society, will be delivering a public lecture on Dark Matter for free at Wits in the Senate Room, 2nd Floor, Senate House. Admission is free so arrive early to secure a seat. (More details here http://j.mp/2syuey - click on 29 Oct in the calendar to jump to the relevant event details).
Hey sounds interesting, will be there. ;D