Hi, I don't know if it was intentional but if you use "sciences" as a tag, it diminishes your visibility. An advice would be to use:
"science" "franco-stem" "steemstem" when you write your posts if related to science, technology, engineering and mathematics.

Click on the image below so you can see what curation trails do on science and how to format your content, complimenting with sources, quotes and references.