How much does it cost to own a pet in cities around the world?

We spoke to vets and shops around the world for a global view on the costs of keeping pets. From New York to Barcelona, here are the basic annual costs, and a few things extra.
Can your pet tell that you're high?

Hopes&Fears answers questions with the help of people who know what they're talking about. Today we asked animal experts about whether your dog or cat can tell when you're stoned.
You can now buy a gemstone for your cat’s bare butt

If your cat murders you in your sleep post-purchase, consider us not surprised.
What your cat is really trying to tell you

Purring doesn’t necessarily mean that your cat is happy, and other things we've learned from cat-human communication experts.