In languages spoken around the world, words describing rough surfaces are highly likely to feature a ‘trilled /r/’ sound – a linguistic pattern that stretches back over 6,000 years, a new study ...

Cats make noises for a few different reasons. When they chirp, it usually means they're excited. My cats like to follow me around my apartment while chirping, just because they're happy to see me. If ...

It sounds like a soft, melodious “murmur” — most cat owners have heard their pets cooing or trilling. However, very few know that there is a special meaning behind the sound. PETBOOK editor and cat ...