Add Yahoo as a preferred source to see more of our stories on Google. Ever go looking for your dog's belly button but were hard-pressed to find one? Do dogs even have a belly button? They do indeed.

Your belly button carries nearly 200 million years of evolutionary history — and a thriving microbial ecosystem you’ve ...

I was sitting in a Greek restaurant having dinner with an old friend of mine. We were just finishing up, sipping Greek coffee and ouzo when a wall-mounted speaker began to play an upbeat Mediterranean ...