The site features an interactive simulation in which users create their own species of life and then put it to the test in a virtual petri dish. Webcytology also includes an extensive reference section. The Why Files takes stories of topical interest and explores the science behind them in great depth. What makes the site so good is that the information is presented in an attractive and accessible form, with lots of hot links to still more detail where you might want them. The overall effect is greatly assisted by plenty of entertaining little graphics to lighten the effect on the screen.
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