It's useful to explain acronyms not likely known by the wider audience, such as UCL (University College London). It took me a bit to figure that out.
UCL maths students do a lot of good (outreach?) work. Also check out <a href="https://www.facebook.com/uclmaths" rel="nofollow">https://www.facebook.com/uclmaths</a> for undergrad-level maths talks.