Dogs give their ‘puppy-dog eyes’ look when humans are looking at them but are unlikely to alter their facial expressions for food, according to new research. File photograph: Philippe Huguen/AFP/Getty Images

Dogs give their “puppy-dog eyes” look when humans are looking at them but are unlikely to alter their facial expressions for food, according to new re(...)

A translation device might make things easier for people who lack intuition or young children who misinterpret signals “sometimes quite significantly”. Photograph: Getty Images

Imagine talking to a tiger, chatting to a cheetah, as Dr Doolittle once sang – what a neat achievement that would be. Well, Amazon has revealed that t(...)