Replying to
@ColinTheMathmo @sellathechemist It’s on BBC Sounds. I just listened. I know how important helium is, but didn’t know about this crisis. Thank you Andrea for enlightening me.
UK physicist working in food science. Loves maths as a hobby. I organise the Cheltenham Mathsjam. 321 ppm CO2 at birth. Pronouns: he, him.