Pupils' shape and size can reveal whether your kitten is a hunter or the hunted, research shows, Zee News reports. The study also said that species with pupils that are vertical slits are more likely to be ambush predators that are active both day and night. "For species that are active both night and day, like domestic cats, slit pupils provide the dynamic range needed to help them see in dim light yet not get blinded by the midday sun," said lead researcher Martin Banks, professor of optometry at University of California-Berkeley. The vertical slits of domestic cats and...