The biological role of SPO in adult saliva is considered to be the breakdown of H 2 O 2 produced by dental microflora, simultaneously protecting teeth and producing antibacterial hypothiocyanate from thiocyanate; it has been demonstrated that the major form of enzymatic H 2 O 2 consumption in normal human tracheal secretions is due to SPO [43 ].

The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.

I liked the man for his own sake, and even had he promised to turn out a celebrity it would have had no weight with me. I look upon notoriety with the same indifference as on the buttons on a man's shirt-front, or the crest on his note-paper.

O, old Incontinent, dost not thou shame