Find out some surprising facts about the human body - and the wonderful world of medicine - with these websites.

  • Genes are Us
    An exciting website with loads of information about about genetic disorders and how differences in our genes help to make everyone unique.
  • National Blood Service Funzone
    Curious about cells? Bemused by blood? This website is for you! With games, quizzes and free screensavers, the National Blood Service Funzone answers all your questions about how blood is made, what it's for and why it's important.
  • Xplore Health
    A hands-on site about the world's cutting-edge health research. You can design drugs and bring them to market. Have your say on the ethical and social implications of the process!
What do you know about... Bats?
Batty about all things bat? Try out our quiz and test your knowledge

Are your eyes playing tricks on you?
Try these experiments to find your blind spot and understand the way your eyes work.

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Physics Joke

Q. Where does bad light end up?
A. In prism.