The pharmaceutical companies Biogen and Eisai last week announced that a monoclonal antibody treatment reduced cognitive decline by 27% in people with early stage Alzheimer’s compared with those on a placebo after 18 months. www.science.org/content/article/news-glance-ai-regulation-renewable-energy-and-alzheimer-s-therapy? Lecanemab belongs to a class...

On 2 October, Haiti announced that cholera had returned to the country. Memories from the previous epidemic, which killed close to 10,000 Haitians between 2010 and 2019, are still raw; now, with violent gangs fighting for control over the...