
Last Word
Is it a coincidence that there are two dippers in the sky? (Part 2)
Regulars
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. 3370 published 22 January 2022