When writing an academic-scientific paper, you can't use the relaxed style and word choice you would write an email to your friend. Therefore, writing scientific papers demands a higher level of formality and professionalism, and if you are not a native speaker, you will have a hard time writing one. You must understand that academic writing requires a particular style and format, and you must write it professionally, organized, and clearly. So if you don't have all of these skills, here are some tips that will help you improve your written English.