Eötvös Loránd University

Spelling F-O-O-D or O-U-T might only get you so far around your dog if he or she is considered a Gifted Word Learner. Researchers have just figured out that even when you're not talking to them directly, they're still acquiring new terms.

Flat-faced dogs like Pugs and Frenchies may seem extra friendly, but new research shows size, training, and “spoiling” often shape their behavior more than head shape – though some traits are likely hardwired.