http://science.howstuffworks.com/esp.htm/printable
http://www.themystica.com/mystica/articles/e/esp_extrasensory_perception.html
http://www.rso.cornell.edu/scitech/archive/95sum/para.html
Carl Sagan. The Demon-Haunted World: Science as a Candle in the Dark. New York: Random House, 1996.
Index
Experiments try to prove the existence of psychic phenomenon
Why these experiments suck
Questions you should ask