(Encyclopedia) World Intellectual Property Organization (WIPO), specialized agency of the United Nations, with headquarters at Geneva. WIPO became an agency in 1974, but its roots go back to 1883…
The first zoo in the U.S. opened in Philadelphia in 1859. Today, there are more than 200 zoos in the U.S., far more than in any other country. Here are some top U.S. and foreign zoos. San Diego…