It is estimated that less than 15% of the world's population speaks English, with just 5% being rative speakers  English language.For scientists whose fest language is not English, writing manuscripts and grants, preparing oral preserita tions, and communicating directly with other scientists in Englah ia much more challenging than it is for native speakers of English Communicating subtle nuances, which can be done easily in one's native tongue, becomes difficult imposible A common cam plaint of nonnative speakers of English is that manuscript riewens often focus on cnticizing their English, rather than looking beyond the language to evaluate the scientific results and logic of a manu script.