Female aphids don't need males to reproduce. Their trick is called "parthenogenesis" and means big savings in time and energy.
There's more bad news for the spring-legged amphibians---male toads living near farms are likely to develop female sex organs.
The flowers of Rafflesias are the largest in the world. But the rest of the plant is minuscule and has no leaves, roots or stems.
How much sleep are you really getting? It may be even less than you think.
Why are there males and females? Why are there two sexes instead of three, or twelve, or one?
Want to know if your marriage is going to last? Learn about the mathematical marriage predictor on this Moment of Science.
Can viewing sexually explicit or violent television help clear your mind? Find out on this Moment of Science.