Learn the meaning of incest. Discover when incest became taboo, and explore theories about reasons for the incest taboo.

What is taboo? Learn what the word "taboo" means and the definition of taboo in urban areas. See examples of taboos including religious taboos and sexual taboos.

Incest is the act of sexual intercourse between family members or close relatives. The act has been made illegal in some countries, while it is legal in others.

Understand the physiology behind erection and ejaculation, including the key differences. Watch the video and take the quiz to review essential concepts.

Zeus only had one wife, Hera, who was also his sister. Despite the fact that incest was taboo in ancient Greek culture, the gods were considered above human constraints.

What is endogamy? Learn the definition of an endogamous marriage, the difference between endogamy and exogamy, and view endogamy examples from...

Learn about feminist theater. Explore the origin and definition of feminism and theater, analyze the features, and review examples of famous feminist plays.

Learn about the Indian Removal Act signed into law by President Andrew Jackson, which led to the Trail of Tears. Read quotes from Jackson's speech supporting the act.

One of the most famous quotes from "Little Red Riding Hood" is a conversation between the little girl and the wolf, disguised as her grandmother. Little Red Riding Hood comments, "Grandmother ...

Learn facts about the inner planets of the solar system. Review the definition of inner vs. outer planets, a list of all inner planets, and their composition.