May 27, 2010
Water hyacinth, Eichhornia crassipes, is widely recognized as one of the world’s worst weeds. The plant is a native of the Amazon, but tolerates a wide […]
April 30, 2010
The Olifants River in Mpumulanga is highly contaminated, researchers say. Microbiologist at the Council for Scientific and Industrial Research (CSIR), Martella du Preez, said all the […]