Writing scientific publications seems to be a science on its own for most of young researchers, but there is no magic behind scientific writing! By following simple rules, everybody can improve his writing skills. I summarized these rules in a cheat sheet for scientific writing.
Of course, you should not expect a miracle. Your principal investigator will always find something to complain about. 😉
If you want to read further on The Science of Scientific Writing, please refer to the article.