HEATKEYS

Detailed worldwide HIV/AIDS information focusing on regional and global responses to the epidemic. Avert.org also provides HIV and AIDS facts, advice and sex education for people of all age groups.

AIDSOrigins - Edward Hooper

Most people believe that the origin of HIV, the AIDS virus, derives from some natural evolutionary event. Key among these HIV origin theories is the so called ?cut hunter theory? in which a human, allegedly African native, received a bloody wound or ...

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.

Breaking News and Opinion

Reporting our world daily: original nature and science coverage from National Geographic.

Find breaking news, multimedia, reviews & opinion on Washington, business, sports, movies, travel, books, jobs, education, real estate, cars & more.

NPR delivers breaking national and world news. Also top stories from business, politics, health, science, technology, music, arts and culture. Subscribe to podcasts and RSS feeds.

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...