Mekong River dolphins at risk of extinction, WWF says

Pollution in the Mekong River in Southeast Asia has pushed the local population of Irrawaddy dolphins to the brink of extinction, the World Wildlife Fund warned Wednesday. The small freshwater dolphins, distinguished by their round heads and short dorsal fins, are already listed as a threatened species, the WWF said in a report

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A Drug to End Drug Addiction

What if science made a pill to protect us from addiction — keeping us from smoking cigarettes, getting fat or abusing drugs and alcohol? According to encouraging results from several lines of study, it seems that day may be closer than we thought. Researchers in labs around the world are now developing vaccines to inoculate people against dangerously addictive substances such as cocaine, heroin and methamphetamine.

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A New Approach to Designing the AIDS Vaccine

The U.S. Secretary of Health and Human Services boldly announced in 1984 that there would be an AIDS vaccine within two years. The discovery of an AIDS-causing virus , she said, was already demonstrating “the triumph of science over a dreaded disease.” Today, 25 years and many failed attempts later, an AIDS vaccine seems as elusive as ever

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