since March this year, there have been unexplained elephant deaths in Northwest Botswana. Subsequently, samples collected from the bodies of the elephants were sent to Zimbabwe, South Africa, Canada and the United States for laboratory processing and testing. So far, 330 elephants have been confirmed dead. According to domestic media reports, in September 21st, the animal and national parks administration of Botswana announced that hundreds of elephants died from cyanobacteria in water.

, the chief veterinary officer of the Botswana animal and National Park Administration, said at a press conference the cyanobacterial toxin was detected in samples sent to the laboratory, which concluded that the neurotoxins produced by cyanobacteria were the cause of the death of elephants. < / P > < p > investigators found the toxin in the water. Cyanobacteria (Cyanobacteria) is a kind of single cell prokaryote that can carry out photosynthesis and can produce toxins, also known as cyanobacteria. < / P > < p > however, there are still many questions in doubt about the incident, such as why only elephants die? Why only in that area? Officials in Botswana say they are investigating and verifying. [image] Google secretly tests 6GHz networks in 17 states of the United States