It's always amazing the sort of things that you can train a dog to sniff out. In South Wales dogs are being trained to sniff out mobile phone parts in prisons. As phones get smaller and easier to hide, they have become a greater security risk in prisons. With a dog's nose, even the most well-hidden things can be found!
This story is also about law enforcement and dogs, but from a slightly different angle. An officer picked up a dog to be impounded, but when the officer got back to the car the dog had given birth! She later gave birth to more puppies at a Humane Society shelter.
This may seem like a no-brainer, but a study in Indiana showed that a new baby can change how pets are treated. This doesn't mean that people with new children will neglect their dogs, but the pets no longer are the top priority.