New evidence: AIDS-like disease in wild chimpanzees

An international consortium has found that wild chimpanzees naturally infected with Simian Immunodeficiency Viruses (SIV) - long thought to be harmless to the apes - can contract an AIDS-like syndrome and die as a result. ...

Lake Tanganyika fisheries declining from global warming

The decrease in fishery productivity in Lake Tanganyika since the 1950s is a consequence of global warming rather than just overfishing, according to a new report from an international team led by a University of Arizona ...

David Livingstone letter deciphered at last

(AP) -- The contents of a long-illegible letter written by famed 19th century explorer David Livingstone have finally been deciphered, a British university said Friday, nearly 140 years after he wrote of his despair at ever ...

Scientists dissect the complex choices of animals

What is important when you choose a home? Space, security, light—or a combination of these? Like humans, animals make choices about where to live that have important implications for their livelihoods. But unlike humans, ...

Brood parasitism in fish

There are other animals besides the cuckoo who smuggle their offspring into another animal's nest. The synodontis multipunctatus, which lives in Lake Tanganyika in Africa and is better known as the cuckoo catfish, is just ...

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