Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in same-sex behavior, from spiders and nematodes to bonobos and fish. Still, ...
Suggested Citation: "Front Matter." National Research Council. 2003. Nutrient Requirements of Nonhuman Primates: Second Revised Edition. Washington, DC: The National ...
Previously, we examined the remarkable disparity between the intellectual capacities of human beings and primates. While our closest relatives, the chimpanzee, possess traits and characteristics that ...