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?