This article explores the idea of species, including both the meaning of the word species ... appears to include several slightly different kinds of chimpanzees. Each of these have been given ...

Like catching sight of a rainbow, seeing a butterfly feels like a special and fleeting privilege, a moment that triggers ...

This butterfly, whose only known host plant is the pineland croton, reaches adult sizes of 2.75 to 3 inches and displays sexual dimorphism, which means that the bodies of the females and males are ...

Importantly, this butterfly pattern is a fractal, meaning it is a self-repeating pattern that is produced over different scales, again and again. While there are many examples of fractals in ...