The fascinating compound eyes of insects consist of hundreds of individual eyes known as "facets". In the course of evolution, an enormous variety of eye sizes and shapes has emerged, often ...

Jakob von Uexküll was a Baltic German biologist ahead of his time, intrigued by the idea that animals inhabit unique perceptual worlds quite unlike our own. In 1934, he described angling for flies by ...

The ability of cells to self-organize into specific patterns in tissues that serve a function is a universal feature of life. The stripes of a zebra, our eyelashes, the spiral of seeds in a sunflower ...