Compared to other organs, skin may seem kind of simple and boring. But it's actually pretty complex.
New "clearing" technique allows scientists to see into an organism's cells without damaging tissue.
Our presence could be causing the brains of non-human animals to grow.
Do cats' movements when they play with toys reflect how they would hunt in the wild?
In years that the white-footed mouse population is low, acorn production is high. In years when there are a lot of mice, the oak trees produce few acorns. Why?
Did you know what the eyes of a bird are fixed immovably in its skull?