Read about: Ph

Research Links the Human Brain

 

Important websites for testing reaction and memory:

http://faculty.washington.edu/chudler/java/dottime.html

http://faculty.washington.edu/chudler/puzmatch.html

http://faculty.washington.edu/chudler/words.html

http://faculty.washington.edu/chudler/stm0.html

Research Links for Countries

http://www.imagesoft.net/flags/flags.html

http://www.infoplease.com/countries.html

http://www.odci.gov/cia/publications/factbook/index.html

http://lcweb2.loc.gov/frd/cs/cshome.html#toc

http://www.geographic.org