Prefer Newsweek on Google to see more of our trusted coverage when you search. Have you ever known a cat whose temperament could change on a dime? One moment they'll crawl into your lap, purring ...

I adore my Siberian cat Alexei’s tail. It is so big and fluffy, and I love how it flicks and sways depending on his mood. So sure, I enjoy his tail, but why do cats have tails? And does he even need ...