Professor Dark says the issue of using organs which might be classed as less than perfect has to be addressed.

BBC: Repaired organs for transplant

Professor John Dark, head of the heart and lung transplant unit at the Freeman Hospital, Newcastle Upon Tyne, told BBC News Online that the solution used by the Swedish team to preserve the lung had probably also helped to improve its function.

BBC: Lung transplant breakthrough

King Professor of Egyptology at Harvard University, teaches these classes in a dark room that holds up to 20 students.

FORBES: Move up http://i.forbesimg.com t Move down

The point, according to Professor Ofer Lahav, who's the lead investigator for the UK consortium involved in the Dark Energy Survey, is that the nature of all these phenomena is heavily influenced by the properties of dark energy.

BBC: Getting the measure of dark energy

Professor Stefano Ragazzi, director of the Gran Sasso National Laboratory, hopes that the first glimpse of dark matter will be in his research facility.

BBC: Dark Matter: Experiment to shed light on dark particles

Professor Kassem said his Yemeni client, Kazimi, had told him that, during his incarceration in the Dark Prison, he attempted suicide three times, by ramming his head into the walls.

NEWYORKER: The Black Sites