By Gwynne Dyer – The new Omicron variant of the Covid-19 virus was discovered last week by scientists in South Africa and Botswana, the only countries in southern Africa that have the skills and resources to detect a new variant.
Toxins in water produced by cyanobacteria killed more than 300 elephants in Botswana this year, officials said on Monday, announcing the result of an investigation into the deaths which had baffled and alarmed conservationists.