Here are some awesome sites for you to visit to learn more about mathematics and science.
Site  Description 



Wikipedia  a multilingual, webbased, freecontent encyclopedia project 
Wolfram MathWorld  an extensive mathematical resource 
WolframAlpha  a computational knowledge engine 
WordPress  makers of this site’s software 
Timberline Geodesics  Not mathematical, but some beautiful geodesic homes, in kit form. 
Do you know of others? Let me know, so I can add them here.