“chewing gum for the mind”
This site uses references from NASA, Futurity, National Geographic and other scientific sites. I also use Wikipedia to reference many definitions and charts to familiarize readers with concepts. If you should have problems with Wikipedia reliability, I suggest that you examine the following:
Nature Study> http://news.bbc.co.uk/2/hi/technology/4530930.stm
Experts Agree> http://arstechnica.com/old/content/2006/11/8296.ars
Source> http://en.wikipedia.org/wiki/Reliability_of_Wikipedia