Snuppy, an Afghand hound and the world's first cloned dog, is about to become a dad. Later this month, his offspring are due to be born to two separate cloned female dogs. And if things aren't weird enough, Snuppy got the bitches pregnant through artificial insemination.

If all goes according to plan, this will be the first time two cloned dogs will reproduce successfully. And we can thank researchers at the Seoul National University in South Korea for this advance in Science.