11.   He published widely in scientific journals.

12.   The most formal level of communication in science is carried out through the medium of the scientific journal.

13.   The scientific journal, printed on paper, has been an integral part of our culture for three hundred years.

14.   Until recently, there was an unwritten rule in some universities that a PhD candidate would get their doctorate only after their having been published in international scientific journals.

15.   The meeting, organised jointly by Edinburgh International Science Festival and the scientific journal Nature, is to be followed next month by a similar event in London.

16.   But a team of Oxford scientists put the link with aluminium in serious doubt in new research published today in the scientific journal Nature.

17.   Although the discovery was made two years ago, it has not been reported in scientific journals, and information about it has spread mainly by word of mouth.

18.   Although these reports have appeared in leading scientific journals like Science and Nature, other scientists have been unable to reproduce them.

19.   An article by Folk on nannobacteria was published last year in Science, a leading scientific journal.

20.   And finally, I am very concerned about a story gleaned from a British scientific journal.