• Dogs' sense of smell is so powerful, they can tell twins apart – Even if they look identical.

• Dogs can dream, just like humans – Puppies and senior dogs dream the most.

• Dogs know when you're lying – If you consistently fake throwing a ball, they will stop falling for it.

• Dogs can recognize human laughter – And they love joining in the fun!

• Dogs can find lost pets by tracking their scent – Some breeds, like Bloodhounds, are specialists.