Dogs may be humankind's best friend, but they're not always that reliable. Sure, they can detect hidden objects at the bottom of a lake, but they also tend to mistake their tails for prey. So can we really trust them to predict the weather?
Elephants never forget. Crows remember human faces and tell other crows who can be trusted. But goldfish? Well, let's just say they're not known for having particularly strong memories. But if recent studies are to be believed, maybe they should be.
One of the main reasons cats get given up for adoption is for continually relieving outside the litter box. But they may be avoiding it for good reason – and there are some simple ways to reverse the problem.