Apr 23: It's a sign

Many people communicate everyday in non-verbal ways. These include those who use sign language, including BSL (British Sign Language)

Dr Susan Pike, the current GA President has recently been working on a glossary for users of Irish Sign Language which has a great deal of STEM vocabulary including geography and environmental terminology which hasn't featured before without being spelled out letter by letter which takes much longer.

Read more about it here.

The words are all searchable and each one has a video, which can also be viewed on YouTube. e.g. Here's the sign for EVAPORATION.