M.Aurelius/Shutterstock
So much in the universe spins. Could the universe itself be spinning?
Murray Lang,
Perth, Western Australia
Shutterstock/Contimis Works
When I read a word that I don’t know how to pronounce, I can’t remember it. Why do I need to be able to pronounce a word for my brain to recall it?
Fay Davies,
Bury, Greater Manchester, UK
To answer this question – or ask a new one – email lastword@newscientist.com.
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