By Dr. Eduardo Mayorga
(I have no financial interest to disclose)
When preparing a paper for a journal or writing a presentation you need to focus not only on content but also on grammar and spelling.
Most word processors and browsers have a spell checker built in and also make some recommendations on grammar.
If you want to really polish your work, specially if English is not your first language try “Grammarly”.
Take a look at the video below.