1.   Beware of the clandestine manoeuvrings of jealous colleagues or covetous rivals Wednesday.

2.   She is a favorite target of London tabloids and of jealous male colleagues.

3.   Burzynski says the government and jealous colleagues unfairly persecuted him.

4.   There are also the brilliant mathematicians hoping to get publicity for their new formulas before jealous colleagues get their hands on the document.