Many animals have color preferences. For example, some advertising research has suggested that humans are attracted to the color red. Suppose, then, that you were a dog toy manufacturer and you wanted ...

It’s well known that dogs don’t see as many colors as we do – similar to color blindness in people. Whereas humans have three types of cones in our eyes, allowing us to identify combinations of red, ...

Imagine you’re walking down a busy street in India. You see street dogs sniffing around piles of garbage, scavenging for ...