The website of the Jean Piaget Society, with information about Piaget's theory and links to other sites with information about Piaget's theory. (
http://www.piaget.org
)
Describes the basic views of Vygotsky; includes biographical information and implications of Vygotsky's view for education. (
http://facultyweb.cortland.edu/andersmd/VYG/VYG.HTML
)
Explore ethological curiosities, including storage of visual information in ants, calculation by spiders, and imitation by birds. (
http://www.psy.pdx.edu/PsiCafe/KeyTheorists/BioApp.htm
)