For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

Everyone loves getting kisses from a dog, but how healthy is it? Could certain diseases be transferred from a dog’s mouth to a human’s mouth? How important is doggy dental care? Is a dog’s mouth ...

Eight fascinating animal species, such as Darwin's frog and ... The father keeps the developing embryos safe inside his mouth in the vocal sac until they are ready to hatch. The father then ...

The Male Seahorse use pouches for birth but some species give premature birth from their mouth. Mouth brooding keep their ...