The talks were filmed by Intel and streamed live on Discovery's Facebook and YouTube pages:
www.facebook.com/yourdiscoveryscience
www.youtube.com/yourdiscoveryscience
Films of the individual talks can be found here:
Brian Cox: Our place in the Universe
Gabriela González: Black Holes and Gravitational Waves
Martin Rees: From Mars to the Multiverse
Stephen Hawking: My Life in Physics
There was also a specialist scientific conference entitled "Gravity and Black Holes" associated with the Stephen Hawking 75th Birthday Celebrations held from the 3-5 July at the Centre for Mathematical Sciences in the University of Cambridge. The talks for this were also live-streamed and can be found at this link.
We are very grateful to Intel in generously providing sponsorship for this event.