Garden snails, which are hermaphrodites, hurl love darts at their partners to impregnate them.
Your schnoz may hold senior status in olfactory matters, but other parts of your body, like skin cells, can make scents of things on their own.
Roundworms don't actually need to mate to reproduce. When they do mate, though, the consequences can be deadly.
Sure, there are physical differences but outside of mammals, the terms "male" and "female" take on different meanings.
Did you know that there are fish out there that can change sex?
Medically speaking, it's generally known that when it comes to being pregnant and giving birth, younger is better. Learn more on this Moment of Science.
According to a study, the longer it takes a woman to get pregnant, the greater her chances of having a boy.
Are whales ruining our environment? Find out on this Moment of Science.
Learn some fun and interesting facts about the human body on this Moment of Science.
Do sperm have noses? Find out on this Moment of Science.