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While research scientists around the globe are trying to find the cure for HIV, the answer might be right in the biodiversity at our local zoo. Scientists in northern Australia have discovered that a crocodile’s immune systems kills the destructive virus. Not only deadly to HIV, crocodile serum destroys a wide range of bacteria including those resistant to penicillin, such as golden staph. The animal’s immune system might actually be too strong for a human body and may need to be synthesized for our consumption. The scientists say it could take years, however, before anything is ready for market.