AIDS Virus Reportedly Came to US Via Haiti

The strain of the HIV virus which predominates in the United States and Europe has been traced back to Haiti by a team of scientists. The team hopes that knowing the virus’s origin could help find a cure for HIV, which can lead to AIDS. Correspondent...

Genetically Engineered Plants Eat Toxic Waste

Researchers have genetically engineered plants with an eye toward neutralizing toxic waste on military bases and mopping up industrial chemicals near manufacturing sites. As VOA’s Jessica Berman reports, the scientists are using the plants as a...