Find out about the different stages of a human life cycle and how we change as we ... Discover how the food gets into the body, through the digestive system. What happens to food in your mouth?

videoSkin and sweating This short film combines CGI images with a real life story about a fire-fighter to show how the body manages to control temperature by sweating. The human ear. videoThe ...

evidence now suggests that human brains have been shrinking for the past 10,000 years because, among other reasons, we increasingly rely on computers to offload complex tasks and calculations. "We ...