Daily briefing: Toxic bacteria caused the mysterious deaths of hundreds of African elephants

Nature, Published online: 21 September 2020; doi:10.1038/d41586-020-02703-9

Cyanobacteria-infected water killed at least 330 elephants in Botswana, and many questions remain. Plus: what the Israel–Arab peace accord means for scientific collaboration, and lessons from three centuries of vaccine opposition.