It certainly isn't an easy one for me, Bryn. As for mine, George, your mention of Gabo was very astute indeed - but, I'm sorry to say, incorrect. It isn't a sculpture.
Well it's gone now, to be replaced by a hand other than mine. Can it really by just a chance happening?
Anyway, what was there before was a Volvox. That's why I thought someone like you would get it straght away, Richard. Actually, at first I thought your pollen grain might have been something of the sort until suddenly something clicked in my memory of boring days spent preparing material for the SEM and looking forward to the SO rehearsal in the evening.