History 9 Human evolution 3 Asian Americans 2 DVD-Video discs 2 Documentary films 2 Documentary television programs 2 Dramatists, English 2 Early modern 2 Evolution 2 Human-animal relationships 2 Nonfiction television programs 2 Social conditions 2 Videodiscs 2 AIDS (Disease) 1 African American influences 1 African Americans 1 Alpinistas 1 American Sign Language 1 Animals as carriers of disease 1 Asian American youth 1 Asians 1 Authors, American 1 Avian influenza 1 Behavior 1 Biographical television programs 1 Brain 1 Children's songs 1 Children's television programs 1 Civil rights 1 Civilization 1