Loved by tourists, elephants are, however, often loathed by farmers. Elephant conservation has been a been a success in Tsavo in Kenya, with their number increasing by about 6,000 in the mid-1990s to almost 15,000 in 2021. The human population has also grown, encroaching on grazing and migration routes for the herds, with resulting clashes becoming the No 1 cause of elephant deaths. But a long-running project by the charity Save the Elephants offered an unlikely solution: deterring some of nature’s biggest animals with some of its smallest: African honeybees