Whenever I read a description of the multiverse, it always talks about human decisions causing branches. What about animals and the decisions they make? Does my hamster deciding to eat the apple first rather than the pea cause a new branch?
Brian Fairchild, Ely, Cambridgeshire, UK
We pay 拢25 for every answer published in New 杏吧原创. To answer this question 鈥� or ask a new one 鈥� visit newscientist.com/lastword. Terms and conditions apply.
Advertisement
This article appeared in print under the headline 鈥淗amsterverse鈥�