The Biology, Genetics, and Psychology of Human Sexuality

The Gay Animal Kingdom: http://www.seedmagazine.com/news/2006/06/the_gay_animal_kingdom.php

News Article; Central Park Zoo, Manhatten; Gay Penguins: http://www.nytimes.com/2004/02/07/arts/07GAY.html?position=&ei=5007&en=25655dedbc29ffd6&ex=1391490000

Homosexuality and Genetics: http://en.wikipedia.org/wiki/Homosexuality_and_medical_science#Genetics

American Psychological Assosciation on Sexual Orientation: http://www.apa.org/topics/orientation.html

New Theory About Homosexuals and the Womb:
http://news.bbc.co.uk/2/hi/health/5120004.stm