Your Beamer Guide to Text Formatting - LaTeX Beamer
Overleaf on Twitter: "If you're collaborating with someone who's just starting out with LaTeX, we have a few nice tutorials available, including this one that gives a first run through of the
titles - How to make the subtitle without bold font? - TeX - LaTeX Stack Exchange
table of contents - Bold math in title but not in TOC - TeX - LaTeX Stack Exchange