Cats may look inscrutable, but they actually have almost 300 different facial expressions which they show to each other, according to a study led by experts at Lyon College in Arkansas.
Their cartoonish features may look cute, but they also put these breeds at higher risk of severe health problems, including breathing difficulties, eye problems, and even issues when giving birth.
Unlike the well-known 7:1 year ratio for calculating the age of your dog, very little is said about how to estimate the stage of life a feline is at in comparison to humans. MailOnline has a look at the science.