Last Word
Why did these strange ice patterns form on a glazed door (pictured)?
Regulars
Last word
51¶¯Âþ's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of toenails. To answer a question or ask a new one, email lastword@newscientist.com
Issue no. 3438 published 13 May 2023
