Did you know? The Rajah Brooke's Birdwing butterfly is Malaysia's national butterfly! Learn more about this fascinating species here.

We all know frogs are marvelous hoppers, but do you know some frogs are also capable of gliding flight? Read on to find out more.

Take a guess. Do you think the ratio of male to female in the 7.8 billion human population is close to 1 at all? Read on to explore more.

The males and females of some species can vary drastically in many ways, but they could also be virtually indistinguishable. Why is that so?