The first rule for creating effective data visualizations is: Do No Harm to Your Story. The business of making charts is all about stories, uncovering the hidden message in your data, and conveying it in a way that gives meaning and context. There so many aspects in graphic design to keep in mind when making figures. Scientists/researchers whose full time jobs are to conduct sophisticated experiments could (almost) be forgiven for not wasting time caring about the artistic style and flare that goes in to most infographics.
Still, what good is your research to the world if you cannot communicate it effectively? A scientist must be able to regularly publish papers, give academic lectures, and public talks on their research. Each of medium has its own quirks and considerations, but I want to highlight one important rule in preparing your slides for a research talk.
I regularly see capable or even... keep reading