Bacteria are everywhere, even inside of our bodies, and they are thought to date back to the early days of life on Earth. These single-celled organisms are classified differently than animals' ...

When a kitten is walking in a dangerous environment, it will gently step on the terrain with its feet to estimate the friction or bearing capacity. Based on this experience, the kitten can then ...

We pride ourselves on being the most intelligent of animals, the ones who dominate from the sky to the depths of the sea. This claim is not false, but it omits an essential aspect: the other creatures ...