First of all, sorry I've just realised I've put this under 'Ideas' rather than 'Support'.
I've discovered that for some reason bullet points will not work on my blog.
I can type up a post with bullet points like this:
However, once published it appears like this:
Can anybody help me? Is it something I'm doing, a problem with WordPress or something to do with the theme (Ambiru) that I'm using?