7 things I didn't know last month

1. The difference between nuclear fission and nuclear fusion
2. The -caster -chester -cester suffixes in a lot of English town names means 'Roman Town' in Anglo-Saxon
3. Thomas Edison invented the electricity meter
4. A cheese maturer is called an Affineur
5. Silver metallic sticky wrapping tape is almost impossible to find this year
6. Irn Bru couldn't be called Iron Brew because it isn't brewed
7. How to tie a bow-tie