I found this at a UK science website a few years ago. It's about evolution and why it's important.

The theory of evolution is a staggeringly beautiful and rather clever concept that aims to describe how animals, plants, bacteria and all other living things have adapted, and continue to adapt, to their surroundings. The theory allows mankind to perceive life's history down the eons and understand how and why all living things came to be.

Evolution is the grand unifying theory of biology. It is a solid core running through all modern research from molecular biology to genomics to ecology. Where once biology was a disjointed group of subjects whose main role seemed to be just to classify life into neat categories, it is now at the forefront of scientific research. Indeed, the study of heredity - genetics - is said to be leading mankind into a biotechnological golden age with ever-more potent pharmaceuticals, cleaner fuels and improved crops.