The noise that we heard with donna was a normal heart beat. Two beats and a gap. If someone had two hearts, theirs would sound a bit like the Master's drumming noise.
She looked lost in thought at that moment. I thought she was seconds away from coming out with something profound. Although it could be her thinking about her family instead.
Originally Posted by DICKENS99:
“Mr Copper, as in the old guy the Doctor left on Earth at the end of Voyage of the Damned.”
Ahhhh, a loose end tied up. Will probably have the odd thing with his name on it popping up now.