Encyclopaedias

Concise Columbia Electronic Encyclopedia - open in new window | same window

http://www.encyclopedia.com/

Encarta - open in new window | same window

Microsoft's Online Encyclopedia

http://encarta.msn.com/

Encyclopaedia Britannica - open in new window | same window

http://www.britannica.com/

Grolier Encyclopaedia - open in new window | same window

http://go.grolier.com

HowStuffWorks - open in new window | same window

An excellent site providing an insight into the workings of nearly anything, from ice cream to car engines and beyond. Providing clear and reliable explanations of how everything around us actually works.

http://www.howstuffworks.com/