Mathematics	Physics
Biology	Astronomy, Space and stars
Languages

The Why Files	Why is ... ? With scientific and understandable answers to some (and some less) common questions
De Jonge Onderzoekers	Nederland - De Nationale Wedstrijd voor Jonge Onderzoekers
de Nationale Wetenschapsquiz	Inclusief '95 en '96 en uiteraard de vragen van dit jaar !
The Object Server Home Page (COS)	The idea is that you specify a type of combinatorial object, together with specific parameter values, and COS will return to you a list of all such objects. COS can generate permutations, combinations, various types of trees, unlabelled graphs, linear extensions of posets, pentomino puzzle solutions, numerical partitions, and a host of other combinatorial objects.
The Seven Wonders	Everyone's heard of the Seven Wonders (if only through Civilitation (II)), but how much do you know about them? This detailed guide has images, information, speculation, and extensive historical data on the Seven Wonders, plus links to other archaeological resources
CSICOP	Committee for the Scientific Investigation of Claims of the Paranormal (CSICOP) home page. Be skeptical...

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