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

What is a species? How do new species emerge? Is speciation inevitable? 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.

Why are some animals only active at a certain time of the day? Are there any benefits to this? Read on to find out more.

Are animals really either just warm-blooded or cold-blooded? The truth might be more complicated than you think.

There is a clear distinction between the terms "venomous" and "poisonous" in biology. Read on to find out more.

Learning the strategies to read a scientific paper will not only save you time; it also enables you to extract information better.